foo.c: In function 'main':
foo.c:44:5: error: 'for' loop initial declarations are only allowed in C99 mode
foo.c:44:5: note: use option -std=c99 or -std=gnu99 to compile your code
foo.c:46:8: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[25]' [-Wformat]
foo.c:59:5: error: 'for' loop initial declarations are only allowed in C99 mode