#include <stdio.h>
#include <string.h>
 
void character(char *string, char *vector, int items);
 
int main()
{
	char string[]="Esta es una prueba";
	char vector[]={'a',0,'e',0,'i',0,'o',0,'u',0};
	int i;
 
	character(string, vector, 10);
 
	for(i=0;i<10;i+=2)
		printf("%c -- %i\n", vector[i], vector[i+1]);
 
	return 0;
}
 
void character(char *string, char *vector, int items)
{
	int len=strlen(string), i=0, j=0;
	for(i=0;i<len;i++)
		for(j=0;j<items;j+=2)
			if(string[i]==vector[j])
				vector[j+1]++;
}
 

include 'C:\FASM\include\win32ax.inc'
 
.code
	start:
		push ebp
		mov ebp, esp
 
		push mensaje
		call strlen
 
		leave
		ret
 
		strlen:
			pop edx
			pop edi
			xor ecx, ecx
			bucle:
				inc ecx
				SCASB
				jnz bucle
			jmp edx
	.end start
.data
	mensaje db "Mr.BlooD",0