Function skipcomment

third-party/lua-5.5.0/src/lauxlib.c:795–805

** reads the first character of file 'f' and skips an optional BOM mark ** in its beginning plus its first line if it starts with '#'. Returns ** true if it skipped the first line. In any case, '*cp' has the ** first "valid" character of the file (after the optional BOM and ** a first-line comment). */

** a first-line comment).
*/
static int skipcomment (FILE *f, int *cp) {
  int c = *cp = skipBOM(f);
  if (c == '#') {  /* first line is a comment (Unix exec. file)? */
    do {  /* skip first line */
      c = getc(f);
    } while (c != EOF && c != '\n');
    *cp = getc(f);  /* next character after comment, if present */
    return 1;  /* there was a comment */
  }
  else return 0;  /* no comment */
}


LUALIB_API int luaL_loadfilex (lua_State *L, const char *filename,