bool fechaValida(const int day, const int month, const int year){
	int dias_mes[12] = {31,28,31,30,31,30,31,31,30,31,30,31};
	bool valido = true;
	if(year % 4 == 0 && (!(year % 100 == 0) || (year % 400 == 0) ))
		dias_mes[1] = 29;
	if(month < 1 || month > 12 || day < 1 || day > dias_mes[month-1]) //Unica condicion
		valido = false;
	return valido;
}

#include<stdio.h>
#include<stdbool.h>
 
bool fechaValida(const int day, const int month, const int year);
 
 int main()	{
	 if(fechaValida(29,2,2004))	{
		 printf("Fecha Valida\n");
	 }
	 else	{
		 printf("Fecha NO Valida\n");
	 }
 }
 
bool fechaValida(const int day, const int month, const int year){
	int dias_mes[12] = {31,28,31,30,31,30,31,31,30,31,30,31};
	bool valido = true;
	if(year % 4 == 0)
		dias_mes[1] = 29;
	if(month < 1 || month > 12 || day < 1 || day > dias_mes[month-1]) //Unica condicion
		valido = false;
	return valido;
} 

function local_search()	{
	$.ajax({
		async: true,
		type: "GET",
		accepts: "application/json",
		url: "/api/search",
		data:	{ s: $("#input_str").value },
		success: function (result)	{
			alert(result.ok);
		}
	});
}
 

<div>
	<input id="input_str" type="text">
	<button onclick="local_search();">Buscar</button>
</div>
 

Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:63.0) Gecko/20100101 Firefox/63.0
Accept: undefined
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://localhost/
X-Requested-With: XMLHttpRequest
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache

		data:	{ s: $("#input_str").value },

[code]		data:	{ s: $("#input_str").val() },

#include<stdio.h>
#include<string.h>
 
int main()	{
	char cadena[100];
	char *token;
	char *vector[10];
	int i = 0;
	printf("Ingrse una frase: ");
	fgets(cadena,100,stdin);
	token = strtok(cadena," ");
	do	{
		vector[i] = token;
		printf("%i -> %s\n",i+1,vector[i]);
		i++;
		token = strtok(NULL," ");
	}while(token != NULL);
}