prog.c: In function ‘main’:
prog.c:10:2: error: ‘for’ loop initial declarations are only allowed in C99 mode
for (int i = 0; i<75; i++)
^
prog.c:10:2: note: use option -std=c99 or -std=gnu99 to compile your code
prog.c:12:11: error: redefinition of ‘i’
for (int i = 0; i<75; i++)
^
prog.c:10:11: note: previous definition of ‘i’ was here
for (int i = 0; i<75; i++)
^
prog.c:12:2: error: ‘for’ loop initial declarations are only allowed in C99 mode
for (int i = 0; i<75; i++)
^