31 lines
670 B
C
31 lines
670 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#define SZBUF 256
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int main(int argc, char const *argv[]){
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char buf[SZBUF];
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int fd,n,m,x;
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if (argc<2){
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fprintf(stderr,"Usage : %s <bSR_FILE> \r",argv[0]);
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exit (1);
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} fd=open (argv[1], O_WRONLY|O_TRUNC|O_CREAT,0b00);
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if (fd==-1){
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perror("Opening destination file fails");
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exit(2);
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} write (1,"Numb --> ",9);
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memset(buf,0,SZBUF);
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while (n=read(0,buf,SZBUF)){
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x=(int)strtol(buf,NULL,0);
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m=write(fd,&x,sizeof(int));
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if (m==-1){
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perror("Writing in file fails");
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exit(3);
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}memset(buf,0,SZBUF);
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write (1,"Numb --> ",9);
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} close(fd);
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exit(0);
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}
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