regexpr
int regexpr(void);
return (regexpr());
regexpr = alloca(ret * 2 + sizeof (LEFT RIGHT));
(void) strcpy(regexpr, LEFT);
len = strlen(regexpr);
regexpr[len++] = '\\';
regexpr[len++] = *p;
regexpr[len++] = '|';
regexpr[len] = '\0';
(void) strcat(regexpr, RIGHT);
if (regcomp(®c, regexpr, REG_EXTENDED) != 0)
char *regexpr;
find_msgs(addr, regexpr)
char *regexpr;
if (step(msg, regexpr))