bctype.h File Reference

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Functions
bool	bisnum (char c)
	Checks if a char is a valid decimal ASCII digit (0..9).
bool	bishex (char c)
	Checks if a char is a valid hexadecimal ASCII digit (0..9, a..f, A..F).
bool	bisalpha (char c)
	Checks if a char is a valid letter of the ASCII alphabet (a..z, A..Z).

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Function Documentation

bool bisalpha (  char  c  )

Checks if a char is a valid letter of the ASCII alphabet (a..z, A..Z). Parameters: c  char to check Return values: bool  TRUE if c is a valid ASCII hexadecimal digit (a..f, A..F), FALSE otherwise. Definition at line 65 of file bctype.c. { if ( ((c | 32) >= 'a') && ((c | 32) <= 'z')) return true; else return false; }

bool bishex (  char  c  )

Checks if a char is a valid hexadecimal ASCII digit (0..9, a..f, A..F). Parameters: c  char to check Return values: bool  TRUE if c is a valid ASCII hexadecimal digit (0..9, a..f, A..F), FALSE otherwise. Definition at line 50 of file bctype.c. { if (((c >= '0') && (c <= '9')) || (((c | 32) >= 'a') && ((c | 32) <= 'f'))) return true; else return false; }

bool bisnum (  char  c  )

Checks if a char is a valid decimal ASCII digit (0..9). Parameters: c  char to check Return values: bool  TRUE if c is a valid ASCII decimal digit (0..9), FALSE otherwise. Definition at line 36 of file bctype.c. { if ((c >= '0') && (c <= '9')) return true; else return false; }

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