secvreg.cpp: In function `int la_sfarsit(char)': secvreg.cpp:37: warning: control reaches end of non-void function secvreg.cpp: In function `int main()': secvreg.cpp:61: warning: comparison between signed and unsigned integer expressions secvreg.cpp: In function `char pereche(char)': secvreg.cpp:21: warning: control reaches end of non-void function