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38 lines
806 B
C
38 lines
806 B
C
#ifndef _FEATURES_H
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#define _FEATURES_H
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#if defined(_ALL_SOURCE) && !defined(_GNU_SOURCE)
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#define _GNU_SOURCE 1
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#endif
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#if defined(_DEFAULT_SOURCE) && !defined(_BSD_SOURCE)
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#define _BSD_SOURCE 1
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#endif
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#if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE) && !defined(_GNU_SOURCE) && !defined(_BSD_SOURCE)
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#define _BSD_SOURCE 1
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#define _XOPEN_SOURCE 700
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#endif
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#if __STDC_VERSION__ >= 199901L
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#define __restrict restrict
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#elif !defined(__GNUC__)
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#define __restrict
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#endif
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#if __STDC_VERSION__ >= 199901L || defined(__cplusplus)
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#define __inline inline
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#elif !defined(__GNUC__)
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#define __inline
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#endif
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#if __STDC_VERSION__ >= 201112L
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#elif defined(__GNUC__)
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#define _Noreturn __attribute__((__noreturn__))
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#else
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#define _Noreturn
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#endif
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#endif /* _FEATURES_H */
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