TASKING VX-toolset for ARM User Guide

TASKING VX-toolset for ARM User Guidectype.hisspaceisupperisxdigittolowertoupper_tolower_toupperisasciitoascii13.2.5. dbg.hwctype.hiswspaceiswupperiswxdigittowlowertowupper--DescriptionReturns a non-zero value when c is a space type character (space,tab, vertical tab, formfeed, linefeed, carriage return).Returns a non-zero value when c is an uppercase character ([A-Z]).Returns a non-zero value when c is a hexadecimal digit([0-9][A-F][a-f]).Returns c converted to a lowercase character if it is an uppercasecharacter, otherwise c is returned.Returns c converted to an uppercase character if it is a lowercasecharacter, otherwise c is returned.Converts c to a lowercase character, does not check if c really isan uppercase character. Implemented as macro. This macrofunction is not defined in ISO C99.Converts c to an uppercase character, does not check if c reallyis a lowercase character. Implemented as macro. This macrofunction is not defined in ISO C99.Returns a non-zero value when c is in the range of 0 and 127.Thisfunction is not defined in ISO C99.Converts c to an ASCII value (strip highest bit). This function isnot defined in ISO C99.The header file dbg.h contains the debugger call interface for file system simulation. It contains low levelfunctions. This header file is not defined in ISO C99._dbg_trap_argcv(const char*buf,size_t size)Low level function to trap debug eventsLow level function for command line argument passing13.2.6. errno.hint errnoExternal variable that holds implementation defined error codes.The following error codes are defined as macros in errno.h:EPERM 1 Operation not permittedENOENT 2 No such file or directoryEINTR 3 Interrupted system callEIO 4 I/O errorEBADF 5 Bad file numberEAGAIN 6 No more processesENOMEM 7 Not enough coreEACCES 8 Permission deniedEFAULT 9 Bad address744