abC primeri - datoteke/getputc.c

getputc.c 
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#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *args[]) {
  FILE *vhod, *izhod;
  int c;

  if (argc != 3) exit(1);
  
  vhod  = fopen(args[1], "r");
  izhod = fopen(args[2], "w");
  if ((vhod != NULL) && (izhod != NULL)) { 
    
    while (!feof(vhod)) {
	  c = getc(vhod);
	  c = toupper(c);
	  putc(c,izhod);
    }

    fclose(izhod);
    fclose(vhod);

    printf("OK \n");
  } else 
    printf("Napaka!\n");
  return 0;
}

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