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C library function - strcmp()
Description
The C library function int strcmp(const char *str1, const char *str2) compares the string pointed to, by str1 to the string pointed to by str2.
Declaration
Following is the declaration for strcmp() function.
int strcmp(const char *str1, const char *str2)
Parameters
str1 − This is the first string to be compared.
str2 − This is the second string to be compared.
Return Value
This function return values that are as follows −
if Return value < 0 then it indicates str1 is less than str2.
if Return value > 0 then it indicates str2 is less than str1.
if Return value = 0 then it indicates str1 is equal to str2.
Example
The following example shows the usage of strcmp() function.
#include <stdio.h> #include <string.h> int main () { char str1[15]; char str2[15]; int ret; strcpy(str1, "abcdef"); strcpy(str2, "ABCDEF"); ret = strcmp(str1, str2); if(ret < 0) { printf("str1 is less than str2"); } else if(ret > 0) { printf("str2 is less than str1"); } else { printf("str1 is equal to str2"); } return(0); }
Let us compile and run the above program that will produce the following result −
str2 is less than str1
string_h.htm
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