nextchar
while(*s != nextchar())
ch = nextchar();
ch = nextchar();
while(ch == ' ' || ch == '\t') ch = nextchar();
if((ch = nextchar()) == '*')
if((ch = nextchar()) == '#'){
ch = nextchar();
if((ch = nextchar()) == '\\') ch = nextchar();
if(nextchar() != '\''){
ch = nextchar();
char nextchar(void);