Compilare: main.c: In function 'gasire2': main.c:83:15: warning: 'aux' may be used uninitialized [-Wmaybe-uninitialized] 83 | return aux-s+1; | ~~~^~ main.c:68:11: note: 'aux' was declared here 68 | char *aux; | ^~~ In function 'gasire2', inlined from 'main' at main.c:120:24: main.c:83:15: warning: 'aux' may be used uninitialized [-Wmaybe-uninitialized] 83 | return aux-s+1; | ~~~^~ main.c: In function 'main': main.c:68:11: note: 'aux' was declared here 68 | char *aux; | ^~~