Query: getenv
OS: osf1
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
getenv(3) Library Functions Manual getenv(3)NAMEgetenv - Returns the value of an environment variableLIBRARYStandard C Library (libc.so, libc.a)SYNOPSIS#include <stdlib.h> char *getenv( const char *name);STANDARDSInterfaces documented on this reference page conform to industry standards as follows: getenv(): XPG4, XPG4-UNIX Refer to the standards(5) reference page for more information about industry standards and associated tags.PARAMETERSSpecifies the name of an environment variable.DESCRIPTIONThe getenv() function searches the environment list for a string of the form name=value, and returns a pointer to a string containing the corresponding value for name. The returned string should not be modified by the application, but may be overwritten by a subsequent call to the getenv() or putenv() functions from the same thread.RETURN VALUESThe getenv() function returns a pointer to a string containing the value in the current environment if such a string is present. If such a string is not present, a null pointer is returned.RELATED INFORMATIONFunctions: putenv(3), clearenv(3) Commands: sh(1) Standards: standards(5) delim off getenv(3)
Related Man Pages |
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getenv(3) - linux |
putenv(3c) - sunos |
getenv(3) - ultrix |
getenv(3) - osf1 |
putenv(3) - osf1 |
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