Question

How to check if two given words are present in a string in C

Answer 1

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

// Checks if both words are present in the string
bool isTwoWordsInString(const char *str, const char *w1, const char *w2) {
    return strstr(str, w1) != NULL && strstr(str, w2) != NULL;
}

int main() {
    const char *str = "C is a general-purpose programming language. Widely used and influential. ";
    const char *w1 = "general";
    const char *w2 = "Widely";

    bool result = isTwoWordsInString(str, w1, w2);
    printf("%s\n", result ? "true" : "false");

    return 0;
}



/*
run:

true

*/

 

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