/usr/include/postfix/stringops.h is in postfix-dev 2.11.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | #ifndef _STRINGOPS_H_INCLUDED_
#define _STRINGOPS_H_INCLUDED_
/*++
/* NAME
/* stringops 3h
/* SUMMARY
/* string operations
/* SYNOPSIS
/* #include <stringops.h>
/* DESCRIPTION
/* .nf
/*
* Utility library.
*/
#include <vstring.h>
/*
* External interface.
*/
extern char *printable(char *, int);
extern char *neuter(char *, const char *, int);
extern char *lowercase(char *);
extern char *uppercase(char *);
extern char *skipblanks(const char *);
extern char *trimblanks(char *, int);
extern char *concatenate(const char *,...);
extern char *mystrtok(char **, const char *);
extern char *translit(char *, const char *, const char *);
#ifndef HAVE_BASENAME
#define basename postfix_basename
extern char *basename(const char *);
#endif
extern char *sane_basename(VSTRING *, const char *);
extern char *sane_dirname(VSTRING *, const char *);
extern VSTRING *unescape(VSTRING *, const char *);
extern VSTRING *escape(VSTRING *, const char *, ssize_t);
extern int alldig(const char *);
extern int allprint(const char *);
extern int allspace(const char *);
extern int allascii(const char *);
extern const char *split_nameval(char *, char **, char **);
extern int valid_utf_8(const char *, ssize_t);
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
#endif
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