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#include <stdio.h>
#include <stdlib.h>
 
int mult( int x, int y, int z) {
    return x * y * z;
 
int main()
    {
    int x;
    int y;
    int z;
 
    printf("Input two integers to be multiplied: ");
    scanf("%d", &x);
    scanf("%d", &y);
    scanf("%d", &z);
    printf("The product of the three numbers is %d\n", mult( x, y, z) );
    getchar();
}
 
int mult (int x, int y, int z)
{
return x * y * z;
    }
}  
 

prog.c: In function ‘mult’:
prog.c:7: warning: ‘main’ is normally a non-static function
prog.c:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result
prog.c:15: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result
prog.c:16: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/../../../crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: ld returned 1 exit status

Standard output is empty