mirror of https://git.qorg11.net/k9core.git
37 lines
512 B
C
37 lines
512 B
C
#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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int
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cat(int fd,const char *filename)
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{
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int c;
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char buf[8192];
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if(fd != 0)
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fd = open(filename, O_RDONLY);
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if (fd == -1)
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{
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fprintf(stderr,"Error opening file\n");
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return 1;
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}
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while((c = read(fd,buf,sizeof(buf))) > 0)
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write(1,buf,c);
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return 0;
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}
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int
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main(int argc, char *argv[])
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{
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if(argc == 1)
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cat(0,NULL);
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else for(int i = 1; i<argc;i++)
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{
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cat(1,argv[i]);
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}
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return 0;
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}
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