VLSI Solution Oy / MegaLib Documentation

ctype.h File Reference

Go to the source code of this file.

Functions

int isalnum (int register __i0 c)
int isalpha (int register __i0 c)
int iscntrl (int register __i0 c)
int isdigit (int register __i0 c)
int isgraph (int register __i0 c)
int islower (int register __i0 c)
int isprint (int register __i0 c)
int ispunct (int register __i0 c)
int isspace (int register __i0 c)
int isupper (int register __i0 c)
int isxdigit (int register __i0 c)
int register __i0 tolower (int register __i0 c)
int register __i0 toupper (int register __i0 c)


Detailed Description

Standard C header file.

Definition in file ctype.h.


Function Documentation

int isalnum int register __i0  c  ) 
 

return TRUE for alphanumerical.

int isalpha int register __i0  c  ) 
 

return TRUE for alphabetic character.

int iscntrl int register __i0  c  ) 
 

return TRUE for control characters.

int isdigit int register __i0  c  ) 
 

return TRUE for digits 0-9.

int isgraph int register __i0  c  ) 
 

return TRUE for printable characters except space.

int islower int register __i0  c  ) 
 

return TRUE for lowercase characters.

int isprint int register __i0  c  ) 
 

return TRUE for printable characters, including space.

int ispunct int register __i0  c  ) 
 

return TRUE for printable characters that is not a space or alphanumeric.

int isspace int register __i0  c  ) 
 

return TRUE for white-space characters.

int isupper int register __i0  c  ) 
 

return TRUE for uppercase characters.

int isxdigit int register __i0  c  ) 
 

return TRUE for hexadecimal digits.

int register __i0 tolower int register __i0  c  ) 
 

convert letter c to lower case if possible.

int register __i0 toupper int register __i0  c  ) 
 

convert letter c to upper case if possible.


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