#ifndef _USG_TYPEDEF_H__
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#define _USG_TYPEDEF_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if ! defined(__FreeBSD__) && ! defined(__OpenBSD__) && \
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! defined(__sgi) && ! defined(__APPLE__)
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/* Some implementations already declare this union */
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union semun { /* Used in calls to semctl() */
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int val;
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struct semid_ds * buf;
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unsigned short * array;
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#if defined(__linux__)
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struct seminfo * __buf;
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#endif
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};
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#endif
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/* Default file permissions are DEF_MODE & ~DEF_UMASK */
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#define DEF_MODE S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH
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#define DEF_UMASK S_IWGRP|S_IWOTH
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/*
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* Default file access permissions for new files.
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*/
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#define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
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/*
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* Default permissions for new directories.
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*/
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#define DIR_MODE (FILE_MODE | S_IXUSR | S_IXGRP | S_IXOTH)
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#define min(a,b) ((a) < (b) ? (a) : (b))
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#define max(a,b) ((a) > (b) ? (a) : (b))
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef _USG_TYPEDEF_H__ */
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