nextchar
while (*s != nextchar())
ch = nextchar();
ch = nextchar();
ch = nextchar();
if ((ch = nextchar()) == '*')
if ((ch = nextchar()) == '#') {
ch = nextchar();
if ((ch = nextchar()) == '\\')
ch = nextchar();
if (nextchar() != '\'') {
ch = nextchar();
static char nextchar(void);