#include <stdio.h>
void checkch(char str[50],char ch);

int main() {
    char str[]="vanshikasingla";
    char ch='b';
    checkch(str[],ch);
}

void checkch(char str[],char ch){
    for(int i=0; str[i]!= '\0';i++){
        if(str[i]==ch){
            printf("character is present");
            return;
        }
    }
    printf("character is not present");
}