1GETPROGNAME(3bsd) LOCAL GETPROGNAME(3bsd)
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4 getprogname, setprogname — get or set the program name
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7 Utility functions from BSD systems (libbsd, -lbsd)
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10 #include <stdlib.h>
11 (See libbsd(7) for include usage.)
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13 const char *
14 getprogname(void);
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16 void
17 setprogname(const char *progname);
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20 The getprogname() and setprogname() functions manipulate the name of the
21 current program. They are used by error-reporting routines to produce
22 consistent output.
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24 The getprogname() function returns the name of the program. If the name
25 has not been set yet, it will return NULL.
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27 The setprogname() function sets the name of the program to be the last
28 component of the progname argument. Since a pointer to the given string
29 is kept as the program name, it should not be modified for the rest of
30 the program's lifetime.
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32 In FreeBSD, the name of the program is set by the start-up code that is
33 run before main(); thus, running setprogname() is not necessary. Pro‐
34 grams that desire maximum portability should still call it; on another
35 operating system, these functions may be implemented in a portability
36 library. Calling setprogname() allows the aforementioned library to
37 learn the program name without modifications to the start-up code.
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40 err(3), setproctitle(3bsd)
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43 These functions first appeared in NetBSD 1.6, and made their way into
44 FreeBSD 4.4.
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46BSD May 1, 2001 BSD