Split the codebase into a managable tree

.kdev4/LearningC.kdev4

@@ -23,6 +23,224 @@ checkPerformance=true
 checkPortability=true
 checkStyle=true
 
+[Filters]
+size=43
+
+[Filters][0]
+inclusive=0
+pattern=.*
+targets=3
+
+[Filters][1]
+inclusive=1
+pattern=.gitignore
+targets=1
+
+[Filters][10]
+inclusive=1
+pattern=.clang-format
+targets=1
+
+[Filters][11]
+inclusive=1
+pattern=.circleci
+targets=2
+
+[Filters][12]
+inclusive=0
+pattern=.git
+targets=2
+
+[Filters][13]
+inclusive=0
+pattern=CVS
+targets=2
+
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+inclusive=0
+pattern=.svn
+targets=2
+
+[Filters][15]
+inclusive=0
+pattern=_svn
+targets=2
+
+[Filters][16]
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+pattern=SCCS
+targets=2
+
+[Filters][17]
+inclusive=0
+pattern=_darcs
+targets=2
+
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+inclusive=0
+pattern=.hg
+targets=2
+
+[Filters][19]
+inclusive=0
+pattern=.bzr
+targets=2
+
+[Filters][2]
+inclusive=1
+pattern=.gitmodules
+targets=1
+
+[Filters][20]
+inclusive=0
+pattern=__pycache__
+targets=2
+
+[Filters][21]
+inclusive=0
+pattern=*.o
+targets=1
+
+[Filters][22]
+inclusive=0
+pattern=*.a
+targets=1
+
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+pattern=*.so
+targets=1
+
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+inclusive=0
+pattern=*.so.*
+targets=1
+
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+inclusive=0
+pattern=*.obj
+targets=1
+
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+targets=1
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+targets=1
+
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+inclusive=1
+pattern=.pre-commit-config.yaml
+targets=1
+
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+pattern=moc_*.cpp
+targets=1
+
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+pattern=*.moc
+targets=1
+
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+targets=1
+
+[Filters][33]
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+pattern=*.qmlc
+targets=1
+
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+targets=1
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+targets=1
+
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+targets=1
+
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+targets=1
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+targets=1
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+targets=1
+
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+targets=1
+
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+targets=1
+
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+targets=1
+
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+targets=1
+
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+targets=1
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+targets=1
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+targets=1
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+targets=1
+
+[Filters][9]
+inclusive=1
+pattern=.prettierrc*
+targets=1
+
 [Launch]
 Launch Configurations=Launch Configuration 0
 

CMakeLists.txt

@@ -2,6 +2,9 @@ cmake_minimum_required(VERSION 3.0)
 
 project(learningc LANGUAGES C)
 
-add_executable(learningc main.c)
+set(CHAPTER 1)
+set(EXERCISE 21)
+
+add_executable(learningc chapters/${CHAPTER}/exercises/${EXERCISE}.c)
 
 install(TARGETS learningc RUNTIME DESTINATION bin)

chapters/1/exercises/1.c

@@ -0,0 +1,5 @@
+#include <stdio.h>
+int main() {
+  printf("Hello, World!\n");
+  return 0;
+}

chapters/1/exercises/10.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+
+int main() {
+  int c;
+  while ((c = getchar()) != EOF) {
+    if (c == '\t') {
+      printf("\\t");
+    } else if (c == '\b') {
+      printf("\\b"); // Needs literal backspace due to line buffer
+    } else if (c == '\\') {
+      printf("\\\\");
+    } else {
+      putchar(c);
+    }
+  }
+  return 0;
+}

chapters/1/exercises/12.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main() {
+  int c;
+  while ((c = getchar()) != EOF) {
+    if (c == ' ' || c == '\n' || c == '\t') {
+      printf("\n");
+    } else {
+      putchar(c);
+    }
+  }
+  return 0;
+}

chapters/1/exercises/13.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main() {
+  int c;
+  while ((c = getchar()) != EOF) {
+    if (c == ' ' || c == '\n' || c == '\t') {
+      printf("\n");
+    } else {
+      printf("#");
+    }
+  }
+  return 0;
+}

chapters/1/exercises/14.c

@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include "shared/limits.h"
+
+int main() {
+  int c;
+  int count[MAXLINE];
+  for (int i = 0; i < MAXLINE; i++) {
+    count[i] = 0;
+  }
+  while ((c = getchar()) != EOF) {
+    count[c]++;
+  }
+  printf("\n");
+  for (int i = 0; i < MAXLINE; i++) {
+    if (count[i] != 0) {
+      if (i == '\n') {
+        printf("\\n");
+      } else if (i == '\t') {
+        printf("\\t");
+      } else if (i == '\"') {
+        printf("\\\"");
+      } else {
+        putchar(i);
+      }
+      printf("\t: ");
+      for (int z = 0; z < count[i]; z++) {
+        printf("#");
+      }
+      printf("\n");
+    }
+  }
+  return 0;
+}

chapters/1/exercises/15.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include "shared/tempsteps.h"
+#include "shared/functions.h"
+#include "shared/functions/convert2cels.c"
+
+int main() {
+  float celsius = LOWER;
+  printf("%s", "Temperature conversion table (F to C):\n");
+  while (celsius <= UPPER) {
+    printf("%3.0f %6.1f\n", celsius, convert2cels(celsius));
+    celsius = celsius + STEP;
+  }
+  return 0;
+}

chapters/1/exercises/16.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include "shared/functions.h"
+#include "shared/limits.h"
+#include "shared/functions/getlines.c"
+
+int main() {
+  int len;
+  /* current line length */
+  int max;
+  /* maximum length seen so far */
+  char line[MAXLINE];
+  /* current input line */
+  char longest[MAXLINE];
+  /* longest line saved here */
+  max = 0;
+  while ((len = getlines(line, MAXLINE)) > 0)
+    if (len > max) {
+      max = len;
+      copy(longest, line);
+    }
+  if (max > 0) /* there was a line */
+    printf("Character count: %d\n%s", max, longest);
+  return 0;
+}

chapters/1/exercises/17.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include "shared/limits.h"
+#include "shared/functions.h"
+#include "shared/functions/getlines.c"
+
+int main() {
+  char line[MAXLINE];
+  int len;
+  while ((len = getlines(line,MAXLINE)) > 0) {
+    if (len > 80)
+      printf("%s", line);
+  }
+}

chapters/1/exercises/18.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include "shared/limits.h"
+#include "shared/functions.h"
+#include "shared/functions/getlines.c"
+
+int main() {
+  char line[MAXLINE], prostr[MAXLINE];
+  int len;
+  int skip = 0;
+  while ((len = getlines(line, MAXLINE)) > 0) {
+    for (int i=len; !(i < 0); --i) {
+      if (skip != 0 || !(line[i] == ' ' || line[i] == '\n' || line[i] == '\t' || line[i] == '\0')) {
+        prostr[i] = line[i];
+        skip = 1;
+      }
+    }
+  }
+  printf("\"%s\"\n", prostr);
+  return 0;
+}

chapters/1/exercises/19.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include "shared/limits.h"
+#include "shared/functions.h"
+#include "shared/functions/getlines.c"
+#include "shared/functions/reverse.c"
+
+int main() {
+  char d[MAXLINE];
+  char line[MAXLINE];
+  int len;
+  while ((len = getlines(line,MAXLINE)) > 0) {
+    reverse(line, d);
+    printf("\nOriginal: %s\nReversed: %s\n", line, d);
+  }
+}

chapters/1/exercises/20.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include "shared/limits.h"
+#include "shared/functions.h"
+#include "shared/functions/detab.c"
+
+int main() {
+  int len;
+  char line[MAXLINE];
+  while ((len = detab(line,MAXLINE,8)) > 0) {
+    printf("%s", line);
+  }
+}

chapters/1/exercises/21.c

@@ -0,0 +1,12 @@
+#include<stdio.h>
+#include "shared/limits.h"
+#include "shared/functions.h"
+#include "shared/functions/entab.c"
+
+int main() {
+  int len;
+  char line[MAXLINE];
+  while ((len = entab(line,MAXLINE,8)) > 0) {
+    printf("%s", line);
+  }
+}

chapters/1/exercises/3.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include "shared/tempsteps.h"
+
+int main() {
+  float fahr, celsius;
+
+  fahr = LOWER;
+  printf("%s", "Temperature conversion table (F to C):\n");
+  while (fahr <= UPPER) {
+    celsius = (5.0/9.0) * (fahr-32.0);
+    printf("%3.0f %6.1f\n", fahr, celsius);
+    fahr = fahr + STEP;
+  }
+  return 0;
+}

chapters/1/exercises/4.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+int main() {
+  float fahr, celsius, lower, upper, step;
+
+  lower = -40;
+  upper = 300;
+  step = 20;
+
+  celsius = lower;
+  printf("%s", "Temperature conversion table (C to F):\n");
+  while (celsius <= upper) {
+    fahr = celsius * (9.0/5.0) + 32.0;
+    printf("%3.0f %6.1f\n", celsius, fahr);
+    celsius = celsius + step;
+  }
+  return 0;
+}

chapters/1/exercises/5.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include "shared/tempsteps.h"
+
+int main() {
+  float fahr = UPPER;
+  printf("%s", "Temperature conversion table (F to C):\n");
+  while (fahr >= LOWER) {
+    printf("%3.0f %6.1f\n", fahr, (5.0/9.0) * (fahr-32.0));
+    fahr = fahr - STEP;
+  }
+  return 0;
+}

chapters/1/exercises/6.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main() {
+  int c;
+  while ((c = getchar()) != EOF) {
+    putchar(c);
+  }
+  return 0;
+}

chapters/1/exercises/7.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+  printf("%d\n",EOF);
+  return 0;
+}

chapters/1/exercises/8.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main() {
+  int c, tabc, blankc, nl;
+  tabc = blankc = nl = 0;
+  while ((c = getchar()) != EOF) {
+    if (c == '\t') {
+      tabc++;
+    } else if (c == ' ') {
+      blankc++;
+    } else if (c == '\n') {
+      nl++;
+    }
+  }
+  printf ("\nSpecial character count:\n");
+  printf ("Newlines: %d\nBlanks: %d\nTabs: %d\n", nl, blankc, tabc);
+  return 0;
+}

chapters/1/exercises/shared/functions.h

@@ -0,0 +1,8 @@
+#include <string.h>
+#include "limits.h"
+float convert2cels(int fahr);
+void reverse(char s[MAXLINE], char d[strlen(s)]);
+void copy(char to[], char from[]);
+int getlines(char line[], int maxline);
+int detab(char s[],int lim, int col);
+int entab(char s[], int lim, int col);

chapters/1/exercises/shared/functions/convert2cels.c

@@ -0,0 +1,3 @@
+float convert2cels(int fahr) {
+  return (5.0/9.0) * (fahr-32.0);
+}

chapters/1/exercises/shared/functions/copy.c

@@ -0,0 +1,6 @@
+void copy(char to[], char from[]) {
+  int i;
+  i = 0;
+  while ((to[i] = from[i]) != '\0')
+  ++i;
+}

chapters/1/exercises/shared/functions/detab.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+
+int detab(char s[],int lim, int col)
+/*s is the string we need to replace, lim is the character limit
+ * and col is the size of a tab (8 characters usually so we use that)*/
+{
+  int c, i; /*c is the character i0nteger representation and i is the column we are on*/
+  for (i=0; i < lim-1 && (c=getchar())!=EOF && c!='\n';)
+    if (c == '\t') {
+      int sp=col-i%col; /*Amount of spaces to replace the tab with*/
+      int st=i; /*Starting point*/
+      for (int co = 0; co<=sp && i < lim-1; co++ && i++) {
+        /*For each space we need to add, we increase the column count and add it
+         *to the array at position (starting point + spaces added so far)
+         * and we increase the spaces added so far*/
+        s[st+co] = ' ';
+      }
+    } else {
+      s[i] = c;
+      ++i;
+    }
+  if (c == '\n')
+    /*If it is the end of the string, represented by a new line,
+     * add that new line and increase it for the \0 addition*/ {
+    s[i] = c;
+  }
+  /*Add the string end and return it to the previous context*/
+  s[i+1] = '\0';
+  return i;
+}

chapters/1/exercises/shared/functions/entab.c

@@ -0,0 +1,37 @@
+#include <stdio.h>
+
+int entab(char s[], int lim, int col) {
+  int c, i, t;
+  for (i=0,t=0; i < lim-1 && (c=getchar())!=EOF && c!='\n';i++,t++) {
+    /*
+    * c is the character representation as integer
+    * i is the current column on the copied string
+    * t is the current column on the original string
+    *
+    * t is used to count tab stops because i goes back when spaces are replaced by tabs.
+    * i and t are both modified, however only i changes in contexts other than the routinal increase.
+    * c is set to i's position and t is only used in tab stop counting
+    */
+    if (t >= col && t%col == 0 && s[i-1] == ' ' && s[i-2] == ' ') {
+      int x;
+      for (x = i; s[x-1] == ' ' && i-col < x; x--);
+      s[x] = '\t';
+      i = ++x;
+    }
+    s[i] = c;
+  }
+  if (c == '\n')
+    /*
+    * If it is the end of the string, represented by a new line,
+    * add that new line and increase it for the \0 addition
+    */ {
+    s[i] = c;
+  }
+  /*Add the string end and return it to the previous context*/
+  if (lim-1 > i) {
+    s[i+1] = '\0';
+  } else {
+    s[lim-1] = '\0';
+  }
+  return i;
+}

chapters/1/exercises/shared/functions/getlines.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int getlines(char s[],int lim) {
+  int c, i;
+  for (i=0; i < lim-1 && (c=getchar())!=EOF && c!='\n'; ++i)
+    s[i] = c;
+  if (c == '\n') {
+    s[i] = c;
+    ++i;
+  }
+  s[i] = '\0';
+  return i;
+}

chapters/1/exercises/shared/functions/reverse.c

@@ -0,0 +1,10 @@
+#include <string.h>
+#include "../limits.h"
+
+void reverse(char s[MAXLINE], char d[strlen(s)+1]) {
+  int len = strlen(s);
+  for (int i=--len; i >= 0; --i) {
+    d[len-i] = s[i];
+    d[len+1] = '\0';
+  }
+}

chapters/1/exercises/shared/limits.h

@@ -0,0 +1 @@
+#define MAXLINE 1000

chapters/1/exercises/shared/tempsteps.h

@@ -0,0 +1,3 @@
+#define LOWER   0
+#define UPPER   300
+#define STEP    20

main.c

@@ -1,326 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-// // PART OF 1-5, 1-15
-// #define LOWER   0
-// #define UPPER   300
-// #define STEP    20
-
-// // PART OF 1-15
-// float convert2cels(int fahr);
-
-// // PART OF 1-16, 1-17, 1-18, 1-19, 1-20,1-21
-#define MAXLINE 1000
-// int getlines(char line[], int maxline);
-// int detab(char s[],int lim, int col);
-int entab(char s[], int lim, int col);
-// void reverse(char s[MAXLINE], char d[strlen(s)]);
-// void copy(char to[], char from[]);
-
-int main() {
-// //   1-1
-//   printf("Hello, World!\n");
-
-// //   1-3
-//   float fahr, celsius, lower, upper, step;
-//
-//   lower = 0;
-//   upper = 300;
-//   step = 20;
-//
-//   fahr = lower;
-//   printf("%s", "Temperature conversion table (F to C):\n");
-//   while (fahr <= upper) {
-//     celsius = (5.0/9.0) * (fahr-32.0);
-//     printf("%3.0f %6.1f\n", fahr, celsius);
-//     fahr = fahr + step;
-//   }
-
-// //   1-4
-//   float fahr, celsius, lower, upper, step;
-//
-//   lower = -40;
-//   upper = 300;
-//   step = 20;
-//
-//   celsius = lower;
-//   printf("%s", "Temperature conversion table (C to F):\n");
-//   while (celsius <= upper) {
-//     fahr = celsius * (9.0/5.0) + 32.0;
-//     printf("%3.0f %6.1f\n", celsius, fahr);
-//     celsius = celsius + step;
-//   }
-
-// //   1-5
-//   float fahr = UPPER;
-//   printf("%s", "Temperature conversion table (F to C):\n");
-//   while (fahr >= LOWER) {
-//     printf("%3.0f %6.1f\n", fahr, (5.0/9.0) * (fahr-32.0));
-//     fahr = fahr - STEP;
-//   }
-
-// //   1-6
-//   int c;
-//   while ((c = getchar()) != EOF) {
-//     putchar(c);
-//   }
-
-// // 1-7
-//   printf("%d\n",EOF);
-
-// // 1-8
-//   int c, tabc, blankc, nl;
-//   tabc = blankc = nl = 0;
-//   while ((c = getchar()) != EOF ) {
-//     if (c == '\t') {
-//       tabc++;
-//     } else if (c == ' ') {
-//       blankc++;
-//     } else if (c == '\n') {
-//       nl++;
-//     }
-//   }
-//   printf ("\nSpecial character count:\n");
-//   printf ("Newlines: %d\nBlanks: %d\nTabs: %d\n", nl, blankc, tabc);
-
-// // 1-9 TODO
-//
-
-// // 1-10
-//   int c;
-//   while ((c = getchar()) != EOF) {
-//     if (c == '\t') {
-//       printf("\\t");
-//     } else if (c == '\b') {
-//       printf("\\b"); // Needs literal backspace due to line buffer
-//     } else if (c == '\\') {
-//       printf("\\\\");
-//     } else {
-//       putchar(c);
-//     }
-//   }
-
-// // 1-12
-//   int c;
-//   while ((c = getchar()) != EOF) {
-//     if (c == ' ' || c == '\n' || c == '\t') {
-//       printf("\n");
-//     } else {
-//       putchar(c);
-//     }
-//   }
-
-// // 1-13
-//   int c;
-//   while ((c = getchar()) != EOF) {
-//     if (c == ' ' || c == '\n' || c == '\t') {
-//       printf("\n");
-//     } else {
-//       printf("#");
-//     }
-//   }
-
-// // 1-14
-//   int c;
-//   int count[1024];
-//   for (int i = 0; i < 1024; i++) {
-//     count[i] = 0;
-//   }
-//   while ((c = getchar()) != EOF) {
-//     count[c]++;
-//   }
-//   printf("\n");
-//   for (int i = 0; i < 1024; i++) {
-//     if (count[i] != 0) {
-//       if (i == '\n') {
-//         printf("\\n");
-//       } else if (i == '\t') {
-//         printf("\\t");
-//       } else if (i == '\"') {
-//         printf("\\\"");
-//       } else {
-//         putchar(i);
-//       }
-//       printf("\t: ");
-//       for (int z = 0; z < count[i]; z++) {
-//         printf("#");
-//       }
-//       printf("\n");
-//     }
-//   }
-
-// // 1-15
-//   float celsius = LOWER;
-//   printf("%s", "Temperature conversion table (F to C):\n");
-//   while (celsius <= UPPER) {
-//     printf("%3.0f %6.1f\n", celsius, convert2cels(celsius));
-//     celsius = celsius + STEP;
-//   }
-
-// // 1-16
-//   int len;
-//   /* current line length */
-//   int max;
-//   /* maximum length seen so far */
-//   char line[MAXLINE];
-//   /* current input line */
-//   char longest[MAXLINE];
-//   /* longest line saved here */
-//   max = 0;
-//   while ((len = getlines(line, MAXLINE)) > 0)
-//     if (len > max) {
-//       max = len;
-//       copy(longest, line);
-//     }
-//   if (max > 0) /* there was a line */
-//     printf("Character count: %d\n%s", max, longest);
-
-// // 1-17
-//   char line[MAXLINE];
-//   int len;
-//   while ((len = getlines(line,MAXLINE)) > 0) {
-//     if (len > 80)
-//       printf("%s", line);
-//   }
-
-// // 1-18
-//   char line[MAXLINE], prostr[MAXLINE];
-//   int len;
-//   int skip = 0;
-//   while ((len = getlines(line, MAXLINE)) > 0) {
-//     for (int i=len; !(i < 0); --i) {
-//       if (skip != 0 || !(line[i] == ' ' || line[i] == '\n' || line[i] == '\t' || line[i] == '\0')) {
-//         prostr[i] = line[i];
-//         skip = 1;
-//       }
-//     }
-//   }
-//   printf("\"%s\"\n", prostr);\
-
-// // 1-19
-//   char d[MAXLINE];
-//   char line[MAXLINE];
-//   int len;
-//   while ((len = getlines(line,MAXLINE)) > 0) {
-//     reverse(line, d);
-//     printf("\nOriginal: %s\nReversed: %s\n", line, d);
-//   }
-
-// // 1-20
-//   int len;
-//   char line[MAXLINE];
-//   while ((len = detab(line,MAXLINE,8)) > 0) {
-//     printf("%s", line);
-//   }
-
-// 1-21
-  int len;
-  char line[MAXLINE];
-  while ((len = entab(line,MAXLINE,8)) > 0) {
-    printf("%s", line);
-  }
-  return 0;
-}
-
-// // PART OF 1-15
-// float convert2cels(int fahr) {
-//   return (5.0/9.0) * (fahr-32.0);
-// }
-
-// // PART OF 1-16, 1-17, 1-18, 1-19
-// int getlines(char s[],int lim) {
-//   int c, i;
-//   for (i=0; i < lim-1 && (c=getchar())!=EOF && c!='\n'; ++i)
-//     s[i] = c;
-//   if (c == '\n') {
-//     s[i] = c;
-//     ++i;
-//   }
-//   s[i] = '\0';
-//   return i;
-// }
-
-// // PART OF 1-20
-// int detab(char s[],int lim, int col)
-// /*s is the string we need to replace, lim is the character limit
-//  * and col is the size of a tab (8 characters usually so we use that)*/
-// {
-//   int c, i; /*c is the character integer representation and i is the column we are on*/
-//   for (i=0; i < lim-1 && (c=getchar())!=EOF && c!='\n';)
-//     if (c == '\t') {
-//       int sp=col-i%col; /*Amount of spaces to replace the tab with*/
-//       int st=i; /*Starting point*/
-//       for (int co = 0; co<=sp && i < lim-1; co++ && i++) {
-//         /*For each space we need to add, we increase the column count and add it
-//          *to the array at position (starting point + spaces added so far)
-//          * and we increase the spaces added so far*/
-//         s[st+co] = ' ';
-//       }
-//     } else {
-//       s[i] = c;
-//       ++i;
-//     }
-//   if (c == '\n')
-//     /*If it is the end of the string, represented by a new line,
-//      * add that new line and increase it for the \0 addition*/ {
-//     s[i] = c;
-//   }
-//   /*Add the string end and return it to the previous context*/
-//   s[i+1] = '\0';
-//   return i;
-// }
-
-// PART OF 1-21
-int entab(char s[], int lim, int col) {
-  int c, i, t;
-  for (i=0,t=0; i < lim-1 && (c=getchar())!=EOF && c!='\n';i++,t++) {
-    /*
-    * c is the character representation as integer
-    * i is the current column on the copied string
-    * t is the current column on the original string
-    *
-    * t is used to count tab stops because i goes back when spaces are replaced by tabs.
-    * i and t are both modified, however only i changes in contexts other than the routinal increase.
-    * c is set to i's position and t is only used in tab stop counting
-    */
-    if (t >= col && t%col == 0 && s[i-1] == ' ' && s[i-2] == ' ') {
-      int x;
-      for (x = i; s[x-1] == ' ' && i-col < x; x--);
-      s[x] = '\t';
-      i = ++x;
-    }
-    s[i] = c;
-  }
-  if (c == '\n')
-    /*
-    * If it is the end of the string, represented by a new line,
-    * add that new line and increase it for the \0 addition
-    */ {
-    s[i] = c;
-  }
-  /*Add the string end and return it to the previous context*/
-  if (lim-1 > i) {
-    s[i+1] = '\0';
-  } else {
-    s[lim-1] = '\0';
-  }
-  return i;
-}
-
-// /* copy: copy 'from' into 'to'; assume to is big enough */
-// void copy(char to[], char from[]) {
-//   int i;
-//   i = 0;
-//   while ((to[i] = from[i]) != '\0')
-//   ++i;
-// }
-
-// // PART OF 1-19
-// void reverse(char s[MAXLINE], char d[strlen(s)+1]) {
-//   int len = strlen(s);
-//   for (int i=--len; i >= 0; --i) {
-//     d[len-i] = s[i];
-//     d[len+1] = '\0';
-//   }
-// }