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API Function: is_alpha

Summary:

return whether a string is entirely alphabetical

Defined In LPC Object:

/usr/common/sys/stringd.c

Prototype:

int is_alpha(string str)

Can Be Called By:

Anybody

Description:

Returns true if the string consists only of uppercase or lowercase alphabetic characters. That means no numbers, no whitespace, no punctuation, no newlines and so on.

Return Value:

1 for true, 0 for false.

Errors:

Normally none.

See Also:

is_whitespace , is_alphanum , is_ident