Standard Library Functions MCQs

Practice free Standard Library Functions multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 250 questions — no login required.

double strtod(const char *nptr, char **endptr);

double x=1.2
printf("%.1lf", ceil(x));

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main()
{
    time_t ct;
    time(&ct);
    printf("%s\n",(&ct));
}