strcmp c++
#include<stdio.h>
#include<string.h>
int main()
{
char char1[] = "coucou";
char char2[] = "coucou";
if( strcmp(char1, char2) == 0 )
printf("Strings are the same");
else
prinf("Strings are differentes");
return 0;
}strcmp
return
>0 if first string is large
<0 if first string is short
0 if strings are equal
int strcmp ( const char * str1, const char * str2 );strcmp
THINK STRING_1 - STRING_2
strcmp("ab", "ac"); /* = -1 */
strcmp("abc", "ab"); /* = 1 */
strcmp("abc", "abc"); /* = 0 */strcmp code
STRCMP (const char *p1, const char *p2)
{
const unsigned char *s1 = (const unsigned char *) p1;
const unsigned char *s2 = (const unsigned char *) p2;
unsigned char c1, c2;
do
{
c1 = (unsigned char) *s1++;
c2 = (unsigned char) *s2++;
if (c1 == '\0')
return c1 - c2;
}
while (c1 == c2);
return c1 - c2;
}Copyright © 2021 Codeinu
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