Which function is used to compare two strings lexicographically in C++?compare()equals()strcmp()strcomp()

What is the function to compare two strings lexicographically in C programming?

Which of the library function is managed to compare two strings ?a.strlenb.strcatc.strcmpd.strcpy

What does the strcmp() function return when both the strings are equal?

Write a C program to compare two strings character by character.Read the string using character pointer.Pass the character pointer to a function "compare" and print equal/not equal.Sample InputcatCatSample Outputnot equal

#include <stdio.h> int main() { char *str = "hello, world"; char *str1 = "hello, world"; if (strcmp(str, str1)) printf("equal"); else printf("unequal"); } equalunequalCompilation error Depends on the compiler