[GTAguillaume]

Код:

new name[MAX_PLAYER_NAME],tmp5[MAX_PLAYER_NAME];
GetPlayerName(playerid,name,MAX_PLAYER_NAME]);
tmp5 = strreplace("_"," ",name);
SetPlayerName(playerid,tmp5);

Код:

stock strreplace(trg[],newstr[],src[]) { //dutils
  new f=0;
  new s1[MAX_STRING];
  new tmp[MAX_STRING];
  format(s1,sizeof(s1),"%s",src);
  f = strfind(s1,trg);
  tmp[0]=0;
  while (f>=0) {
    strcat(tmp,ret_memcpy(s1, 0, f));
    strcat(tmp,newstr);
    format(s1,sizeof(s1),"%s",ret_memcpy(s1, f+strlen(trg), strlen(s1)-f));
    f = strfind(s1,trg);
  }
  strcat(tmp,s1);
  return tmp;
}

Код:

ret_memcpy(source[],index=0,numbytes) {
	new tmp[MAX_STRING];
	new i=0;
	tmp[0]=0;
	if (index>=strlen(source)) return tmp;
	if (numbytes+index>=strlen(source)) numbytes=strlen(source)-index;
	if (numbytes<=0) return tmp;
	for (i=index;i<numbytes+index;i++) {
		tmp[i-index]=source[i];
		if (source[i]==0) return tmp;
	}
	tmp[numbytes]=0;
	return tmp;
}

EDIT: Virtual1ty was first :b