05-08-2003
There is no real industry wide standard here. I can't speak to other people's customs. But typically, version 1.0 would the version that I would assign to my program when it is first ready for use. For complex programs this will imply that versions 0.0, 0.1, 0.2, etc may exist. But with simpler programs, I may indeed go straight to version 1.0.
Local standards are really more important. If you're participating in any sort of group effort (commercial or freeware), you probably should conform to whatever standard is already in place.
Also if you're using RCS or SCCS or something like that, your versioning scheme should work well with the package you use.
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getuid(2) System Calls Manual getuid(2)
NAME
getuid, geteuid - Gets the real or effective user ID
SYNOPSIS
#include <unistd.h>
uid_t getuid( void );
uid_t geteuid( void );
Application developers may want to specify an #include statement for <sys/types.h> before the one for <unistd.h> if programs are being
developed for multiple platforms. The additional #include statement is not required on Tru64 UNIX systems or by ISO or X/Open standards,
but may be required on other vendors' systems that conform to these standards.
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
getuid(): POSIX.1, XPG4, XPG4-UNIX
Refer to the standards(5) reference page for more information about industry standards and associated tags.
DESCRIPTION
The getuid() function returns the real user ID of the calling process.
The geteuid() function returns the effective user ID of the calling process.
RELATED INFORMATION
Functions: setuid(2), setruid(3), setreuid(2)
Standards: standards(5) delim off
getuid(2)