Using Atoi In C Code Example


Example 1: atoi

#include <stdlib.h> //atoi's library #include <stdio.h>  int main (void) { 	string input = "9";      	int output = atoi(input);      	printf("%i", output);      	//this will print out 9 as an int not a string }

Example 2: atoi c

#include <stdio.h> #include <stdlib.h> #include <string.h>  //CONVERT STRING TO INT  int main () {    int val;    char str[20];        strcpy(str, "98993489");    val = atoi(str);    printf("String value = %s, Int value = %d\n", str, val);     strcpy(str, "tutorialspoint.com");    val = atoi(str);    printf("String value = %s, Int value = %d\n", str, val);     return(0); }

Example 3: what is atoi in strinf

The C library function int atoi(const char *str) converts the  string argument str to an integer (type int).  Note: It is used in case of string because in strings a number is also stored as char  and we have to do Typecasting  form (string -> int)

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