atoh()
Convert a string containing a hexadecimal number into an unsigned number
Synopsis:
#include <stdlib.h>
unsigned atoh( const char* ptr );
Arguments:
- ptr
- A pointer to the string to parse.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The atoh() function converts the string pointed to by ptr to unsigned representation, assuming the string contains a hexadecimal (base 16) number.
Returns:
The converted value.
Examples:
#include <stdlib.h> #include <stdio.h> int main( void ) { unsigned x; x = atoh( "F1A6" ); printf( "number is %x\n", x ); return EXIT_SUCCESS; }
Classification:
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | Yes |
Signal handler | Yes |
Thread | Yes |