chrIsalm

Return whether a character is alphanumeric

Description:

Determine whether a character is alphanumeric, i.e. A - Z, a - z, 0 - 9 or _. Note that this function treats the underscore character as an alphanumeric character.

Invocation

int chrIsalm( char cvalue )

Returned Value

Returns non-zero if the given character is alphanumeric,

Parameters :

cvalue
The character to be tested.