Is there a function to round a float in C or do I need to write my own?

Question

Is there a function to round a float in C or do I need to write my own?

float conver = 45.592346543;

I would

Answer 1

#include 

double round(double x);
float roundf(float x);

Don't forget to link with -lm. See also ceil(), floor() and trunc().