comp.cpp: In function `int main()': comp.cpp:19: warning: comparison between signed and unsigned integer expressions comp.cpp:21: warning: assignment to non-pointer type `char' from NULL comp.cpp:21: warning: argument to non-pointer type `char' from NULL comp.cpp: In function `int prelucreaza(char*)': comp.cpp:37: warning: unused variable `char*p' comp.cpp:37: warning: unused variable `char aux[250]' comp.cpp:37: warning: unused variable `char sep[2]' comp.cpp:59:2: warning: no newline at end of file