ARM Compiler toolchain v4.1 for µVision Using the Compiler

Compiler Coding Practices
5.67 __func__ predefined identifier in C99
The __func__ predefined identifier provides a means of obtaining the name of the current
function. For example, the function:
void foo(void)
{
printf("This function is called '%s'.\n", __func__);
}
prints:
This function is called 'foo'.
5.67.1 See also
Concepts
• New language features of C99 on page 5-77.
Reference
• Function names on page 5-102 (__PRETTY_FUNCTION__).
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