Standard Library Functions - C Programming MCQ Questions and Answers

char str[20]; 
strcpy(str, "123456"); 
res = atoi(str);
printf("%s  %d\n", str, res);

#include <stdlib.h> 
_Mbsave_Mbxlen={0};
int (mblen)(const char *s ,size_t n)
{
return(_Mbtowc(NULL s,n,&_Mbxlen));
}

#include <assert. h> 
#include <stdio . h>
 #include <stdlib.h> 
void -Assert (char *mesg) 
{
   fputs (mesg, stderr); 
   fputs (" -- assertion failed\n" , stderr); 
   abort () ; 
}