23 lines
422 B
C
23 lines
422 B
C
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#include<stdio.h>
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#include<stdlib.h>
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#include<fcntl.h>
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#define BUFSIZE 256
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int main(int argc, char * argv[]){
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int f,n;
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char buf[BUFSIZE];
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if(argc<2){
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fprintf(stdin,"Usage: %s <file-to-read>\n",argv[0]);
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exit(1);
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}
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f=open(argv[1],O_RDONLY);
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if(f==-1){
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perror("Opening file failed !");
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exit(2);
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}
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while((n=read(f,buf,BUFSIZE))!=0){// pas oublier les parentheses
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write(1,buf,n);
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close(f);
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exit(0);
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}
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}
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