| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | |
| 4 | int a(int); |
| 5 | int b(int); |
| 6 | int c(int); |
| 7 | |
| 8 | int a(int val) |
| 9 | { |
| 10 | if (val <= 1) |
| 11 | return b(val); |
| 12 | else if (val >= 3) |
| 13 | return c(val); |
| 14 | |
| 15 | return val; |
| 16 | } |
| 17 | |
| 18 | int b(int val) |
| 19 | { |
| 20 | int rc = c(val); |
| 21 | void *ptr = malloc(size: 1024); // thread step-out of malloc into function b. |
| 22 | if (!ptr) |
| 23 | return -1; |
| 24 | else |
| 25 | printf(format: "ptr=%p\n" , ptr); |
| 26 | return rc; // we should reach here after 3 step-over's. |
| 27 | } |
| 28 | |
| 29 | int c(int val) |
| 30 | { |
| 31 | return val + 3; |
| 32 | } |
| 33 | |
| 34 | int main (int argc, char const *argv[]) |
| 35 | { |
| 36 | int A1 = a(val: 1); |
| 37 | printf(format: "a(1) returns %d\n" , A1); |
| 38 | |
| 39 | int B2 = b(val: 2); |
| 40 | printf(format: "b(2) returns %d\n" , B2); |
| 41 | |
| 42 | int A3 = a(val: 3); |
| 43 | printf(format: "a(3) returns %d\n" , A3); |
| 44 | |
| 45 | return 0; |
| 46 | } |
| 47 | |