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- #include <unistd.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- int main(int argc, char **argv)
- {
- char input[5];
- int x, y;
- while(1){
- write(1, "Inserisci primo numero -> ", strlen("Inserisci primo numero -> "));
- read(0, input, sizeof(input));
- if((x = atoi(input)) == -1)
- exit(-1);
- write(1, "Inserisci secondo numero -> ", strlen("Inserisci secondo numero -> "));
- read(0, input, sizeof(input));
- y = atoi(input);
- sprintf(input,"%d\n",x+y);
- write(1, input, strlen(input));
- }
- return(0);
- }
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