abC primeri - funkcije/racunalo3.c

racunalo3.c 
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int stevilka(char *s) {
  int i = 0, x=0;
  while (i<strlen(s)) {
    x = 10*x + (s[i++]-'0');
  }
  return x;
}

main(int argc, char *argv[]) {
  // namesto int x = atoi(argv[1]);
  int x=stevilka(argv[1]);

  // namesto int y = atoi(argv[2]);
  int y=stevilka(argv[2]);

  printf("%d + %d = %d\n", x, y, x+y);
}

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