Definition of __USE_MISC?

[Sebastian Huber]

Hello,

according to the comment in features.h we have:

__USE_MISC        Define things from 4.3BSD or System V Unix.

What about interfaces that are present on newer BSD systems by default, 
e.g. we have in glibc strings.h:

/* The following two functions are non-standard but necessary for non-32 bit
    platforms.  */
# ifdef    __USE_GNU
extern int ffsl (long int __l) __THROW __attribute_const__;
__extension__ extern int ffsll (long long int __ll)
      __THROW __attribute_const__;
# endif

In FreeBSD strings.h we have:

#if __BSD_VISIBLE
int     ffsl(long) __pure2;
int     ffsll(long long) __pure2;
int     fls(int) __pure2;
int     flsl(long) __pure2;
int     flsll(long long) __pure2;
#endif

Would it be possible to change the guard in glibc to __USE_MISC?

-- 
Sebastian Huber, embedded brains GmbH

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