agenda.cpp: In function `int luna(char*)': agenda.cpp:26: warning: comparison between signed and unsigned integer expressions agenda.cpp:39: warning: control reaches end of non-void function agenda.cpp: In function `data Data(char*)': agenda.cpp:47: warning: comparison between signed and unsigned integer expressions agenda.cpp:60: warning: comparison between signed and unsigned integer expressions agenda.cpp:43: warning: `int p' might be used uninitialized in this function /tmp/ccom5OMF.o(.text+0x50a): In function `main': : the `gets' function is dangerous and should not be used.