Question

How to check if pointer is NULL in C

Answer 1

#include <stdio.h>
#include <stdlib.h>

int main() {
    char *p = (char*) malloc(15 * sizeof(char));

    if (p == NULL) {
        printf("malloc error");
        return 1;
    }
    
    printf("malloc ok");
    free(p);
    
    return 0;
}






/*
run:

malloc ok

*/

 

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