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RV-ARGS(3) - Library Functions Manual
# NAME
**Rv-args** - arguments to the return value macro
# RETURN VALUES
no arguments:
Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable *errno* is set to indicate the error.
one argument:
The **one**() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable *errno* is set to indicate the error.
two arguments:
The **one**() and **two**() functions return the value 0 if successful; otherwise the value -1 is returned and the global variable *errno* is set to indicate the error.
OpenBSD - July 4, 2017
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