Compilare: user.cpp: In function ‘void insereaza(nod*, char*, int)’: user.cpp:18: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int sterge(nod*, char*, int)’: user.cpp:32: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int numar_cuvinte(nod*, char*, int)’: user.cpp:49: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int numar_fii(nod*, char*, int)’: user.cpp:57: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:69: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result