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strcmp.c (355B)

      1 #include "../stdint.h"
      2 
      3 int strcmp (const char *s1, const char *s2) {
      4 
      5     int b_value = 1;
      6 
      7     while (1) {
      8 
      9         if (*s1 == '\0' && *s2 == '\0'){
     10             b_value = 0;
     11             break;
     12         }
     13 
     14         if (*s1 != *s2) {
     15             b_value = (int)*s1 - (int)*s2;
     16             break;
     17         }
     18 
     19         s1++; s2++;
     20 
     21     }
     22 
     23     return b_value;
     24 }