cabs(3) Library Functions Manual cabs(3) cabs, cabsf, cabsl - (libm -lm) #include double cabs(double complex z); float cabsf(float complex z); long double cabsl(long double complex z); z. . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |cabs(), | | MT-Safe | |cabsf(), | | | |cabsl() | | | +------------+------------------------------------+--------------------+ C11, POSIX.1-2008. glibc 2.1. C99 POSIX.1-2001. hypot(a, b) ( sqrt(a*a + b*b)). abs(3), cimag(3), hypot(3), complex(7) 3 . . : . 6.18 8 2026 cabs(3)