Library Functions

Q1: Which standard library function will you use to find the last occurance of a character in a string in C?

A strrchr()

B strrchar()

C strnchar()

D strchar()

ANS:D - strrchr()

strrchr() returns a pointer to the last occurrence of character in a string. Example:


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

int main()
{
    char str[30] = "12345678910111213";
    printf("The last position of '2' is %d.\n",
            strrchr(str, '2') - str);
    return 0;
}
Output: The last position of '2' is 14.



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