ValdikSS/skype-poll-fix — pull request #7 by pustovalov (2014-11-02 01:36:16+00:00)
Title: support isdigit()

without
```
#include
```
i get:
```
skype-poll-fix.c:37:9: warning: implicit declaration of function 'isdigit' is invalid in C99 [-Wimplicit-function-declaration]
if ( !isdigit(*str) )
^
```