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diff --git a/reference/C/MAN/unsetenv.htm b/reference/C/MAN/unsetenv.htm new file mode 100644 index 0000000..fd95b1b --- /dev/null +++ b/reference/C/MAN/unsetenv.htm @@ -0,0 +1,98 @@ +<TITLE>unsetenv</TITLE> +<body bgcolor="#ffffcc"> +<hr> +<pre> + + + +<h3>SETENV(3) Linux Programmer's Manual SETENV(3) +</h3> + +<h3>NAME +</h3> setenv - change or add an environment variable + +<h3>SYNOPSIS +</h3> #include <stdlib.h> + + int setenv(const char *name, const char *value, int overwrite); + + void unsetenv(const char *name); + +<h3>DESCRIPTION +</h3> The setenv() function adds the variable name to the envi- + ronment with the value value, if name does not already + exist. If name does exist in the environment, then its + value is changed to value if overwrite is non-zero; if + overwrite is zero, then the value of name is not changed. + + The unsetenv() function deletes the variable name from the + environment. + +<h3>RETURN VALUE +</h3> The setenv() function returns zero on success, or -1 if + there was insufficient space in the environment. + +<h3>CONFORMING TO +</h3> BSD 4.3 + +</pre> +<hr> +<h3>SEE ALSO +</h3><p> +<a href=getenv.htm>getenv</a>, +<a href=putenv.htm>putenv</a>, +<pre> + + + + + + + + + + + + + + + + + + + + + + + + + + + + +<h3>BSD April 4, 1993 1 +</h3> + +
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