Answer Posted / abdur rab

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

int main ( int argc, char* argv[] )
{
int array [ 10 ] = { 546, 541, 128, 1027, 1000,
10234, 657, 343, 111, 272 };
char _variable [ 50 ];
int _count = 0;
int _value = 0;

memset ( _variable, '\0', 50 );
puts ("Enter the number to search: ");
gets ( _variable );

_value = atoi ( _variable );

for ( _count = 0; _count < 10; _count++ ) {
if ( array [ _count ] == _value ) {
puts ("Search SUCCESSFUL");
return ( 0 );
}
}
puts ("Search NOT SUCCESSFUL");
return ( 1 );
}

If u guys really want to check the given input is numeric,
use isnumeric function defined in ctypes.h

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