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Convert a string containing a hexadecimal number into an unsigned number
#include <stdlib.h>
unsigned atoh( const char* ptr );
- ptr
- A pointer to the string to parse.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The atoh() function converts the string pointed to by
ptr to unsigned representation, assuming the string
contains a hexadecimal (base 16) number.
The converted value.
#include <stdlib.h>
#include <stdio.h>
int main( void )
{
unsigned x;
x = atoh( "F1A6" );
printf( "number is %x\n", x );
return EXIT_SUCCESS;
}
QNX 4
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
sscanf()
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