#include <stdio.h>
#include <string.h>

int main() {
char s[] = "afk surr20";
int i = sizeof(s);
int a;
asm volatile(
".intel_syntax noprefix\n"
"mov eax, %1\n"
"xor ebx, ebx\n"
"xor edx, edx\n"


"loop:\n"
"mov cl, [eax]\n"
"cmp cl, 0\n"
"jz finish\n"
"cmp cl, ' '\n"
"je loop2\n"
"inc ebx\n"
"inc eax\n"
"inc edx\n"
"jmp loop\n"

"loop2:\n"
"mov cl, [eax]\n"
"cmp cl, 0\n"
"jz finish\n"
"inc eax\n"
"inc edx\n"
"jmp loop2\n"


"finish:\n"
"mov eax, %1\n"
"mov esi, eax\n"
"add eax, ebx\n"
"mov edi, edx\n"
"inc edi\n"



"swap:\n"
"mov al, [edi]\n"
"mov cl, [esi]\n"
"mov [esi], al\n"
"mov [edi], cl\n"
"inc esi\n"
"dec edi\n"
"sub ebx, 1\n"
"cmp ebx, 0\n"
"jg swap\n"


".att_syntax prefix\n"
:"=r" (a)
:"r" (s)
: "eax", "ebx", "ecx", "edi", "esi", "edx"
);

printf("%s\n", s);


return 0;
}