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#include <stdlib.h>//больше наверно не будет :)#define BUF_SIZE 64char *int2str(int val){	char buffer[BUF_SIZE];	char tmp = 0;	int i = 0;	int len = 0;	char *result = NULL;	while(val != 0){		tmp = val % 10;		val /= 10;		buffer[len++] = 48 + tmp;	}	result = malloc(len+1);	*(result + len) = '\0';	while(len >0)		*(result + --len) = buffer[i++];	return result;}int main(){	int val = 69;	char *strval = int2str(val);	printf("%s\n",strval);	free(strval);}