rem: re_search (bufp, string, size, startpos, range, regs) struct re_pattern_buffer *bufp; const char *string; int size, startpos, range; struct re_registers *regs;
add: re_search (struct re_pattern_buffer *bufp, const char *string, int size, int startpos, int range, struct re_registers *regs)
context: re_search (bufp, string, size, startpos, range, regs)     struct re_pattern_buffer *bufp;     const char *string;     int size, startpos, range;     struct re_registers *regs;{  return re_search_2 (bufp, NULL, 0, string, size, startpos, range,		      regs, size);}