| 11 | extern char** environ; |
| 12 | |
| 13 | void unsetenv(const char* name) { |
| 14 | const int n = strlen(name); |
| 15 | char** dst = environ; |
| 16 | for (char** src = environ; *src; src++) |
| 17 | if (strncmp(*src, name, n) || (*src)[n] != '=') |
| 18 | *dst++ = *src; |
| 19 | *dst = NULL; |
| 20 | } |
| 21 | #endif |
| 22 | |
| 23 | static int pymain(int argc, char** argv) { |