c strcmp
snippet in c

c strcmp

user3011

// strCmp implementation
// string1 < string2 => return a negative integer
// string1 > string2 => return a positive integer
// string1 = string2 => return 0
int strCmp(const char* s1, const char* s2) {
    while(*s1 && (*s1 == *s2)) {
        s1++;
        s2++;
    }
    return *s1 - *s2;
}

see if two strings are equal in C

user9849

#include <stdio.h>
#include <string.h>
int main(int argc, char const *argv[]) {
   char string1[] = {"tutorials point"};
   char string2[] = {"tutorials point"};
   //using function strcmp() to compare the two strings
   if (strcmp(string1, string2) == 0)
      printf("Yes 2 strings are same\n");
   else
      printf("No, 2 strings are not same\n" );
      return 0;
}

strcmp in c

user3850

#include <stdio.h>
#include <string.h>

int main()
{
    char str1[] = "abcd", str2[] = "abCd", str3[] = "abcd";
    int result;

    // comparing strings str1 and str2
    result = strcmp(str1, str2);
    printf("strcmp(str1, str2) = %d\n", result);

    // comparing strings str1 and str3
    result = strcmp(str1, str3);
    printf("strcmp(str1, str3) = %d\n", result);

    return 0;
}

c strlen

user2333

int my_strlen(char *str) {
  int i = -1;
  
  while (str && str[++i]);
  return (i);
}

strcmp c

user3856

// use: strcmp(string1, string2);

string a = "words";
string b = "words";

if (strcmp(a, b) == 0)
{
	printf("a and b match");
  	// strcmp returns 0 if both strings match
}

else
{
	printf("a and b don't match");
  	// strcmp returns anything else if the strings dont match
}

strcmp c library

user5909

#include <string.h>