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32 .\" @(#)confstr.3 8.1 (Berkeley) 6/4/93
40 .Nd get string-valued configurable variables
46 .Fn confstr "int name" "char *buf" "size_t len"
48 This interface is specified by
50 A more flexible (but non-portable) interface is provided by
55 function provides a method for applications to get configuration
56 defined string values.
57 Shell programmers needing access to these parameters should use the
63 argument specifies the system variable to be queried.
64 Symbolic constants for each name value are found in the include file
68 argument specifies the size of the buffer referenced by the
75 is a non-null pointer, and
79 \- 1 bytes of the value are copied into the buffer
81 The copied value is always null terminated.
83 The available values are as follows:
88 Return a value for the
90 environment variable that finds all the standard utilities.
95 is not successful, \-1 is returned and
98 Otherwise, if the variable does not have a configuration defined value,
102 Otherwise, the buffer size needed to hold the entire configuration-defined
104 If this size is greater than the argument
112 function may fail and set
114 for any of the errors specified for the library functions
119 In addition, the following errors may be reported:
134 function first appeared in