diff --git a/include/complex.h b/include/complex.h
index 76207ac..deac1ee 100644
--- a/include/complex.h
+++ b/include/complex.h
@@ -2,7 +2,7 @@
 #define _COMPLEX_H
 
 #define complex _Complex
-#define _Complex_I (float _Imaginary) (1.0fi)
+#define _Complex_I (float _Complex) (1.0fi)
 #ifdef __STDC_IEC_559_COMPLEX__
 #define imaginary _Imaginary
 #define _Imaginary_I (float _Imaginary) (1.0fi)
@@ -14,6 +14,108 @@
 #define I _Complex_I
 #endif
 
+/* Various abs-type stuffs */
+/*
+  Listen, okay, for some reason, all of these kinda just merge into the
+  same category in my head. Do they all do the same thing? No, not really.
+  Does that make a difference to me? No. No, it does not.
+    -Kat
+*/
+double cabs(double complex);
+float  cabsf(float complex);
+long double cabsl(long double complex);
 
+double carg(double complex);
+float  cargf(float complex);
+long double cargl(long double complex);
+
+double cimag(double complex);
+float  cimagf(float complex);
+long double cimagl(long double complex);
+
+double complex conj(double complex);
+float complex  conjf(float complex);
+long double complex conjl(float complex);
+
+double complex cproj(double complex);
+float complex  cprojf(float complex);
+long double complex cprojl(long double complex);
+
+double creal(double complex);
+float  crealf(float complex);
+long double creall(long double complex);
+
+/* Trig functions */
+double complex ccos(double complex);
+float complex  ccosf(float complex);
+long double complex ccosl(long double complex);
+
+double complex csin(double complex);
+float complex  csinf(float complex);
+long double complex csinl(long double complex);
+
+double complex ctan(double complex);
+float complex  ctanf(float complex);
+long double complex ctanl(long double complex);
+
+/* Inverse trig functions */
+double complex cacos(double complex);
+float complex  cacosf(float complex);
+long double complex cacosl(long double complex);
+
+double complex casin(double complex);
+float complex  casinf(float complex);
+long double complex casinl(long double complex);
+
+double complex catan(double complex);
+float complex  catanf(float complex);
+long double complex catanl(long double complex);
+
+/* Hyperbolic trig functions */
+double complex ccosh(double complex);
+float complex  ccoshf(float complex);
+long double complex ccoshl(long double complex);
+
+double complex csinh(double complex);
+float complex  csinhf(float complex);
+long double complex csinhl(long double complex);
+
+double complex ctanh(double complex);
+float complex  ctanhf(float complex);
+long double complex ctanhl(long double complex);
+
+/* Hyperbolic inverse trig functions */
+double complex cacosh(double complex);
+float complex  cacoshf(float complex);
+long double complex cacoshl(long double complex);
+
+double complex casinh(double complex);
+float complex  casinhf(float complex);
+long double complex casinhl(long double complex);
+
+double complex catanh(double complex);
+float complex  catanhf(float complex);
+long double complex catanhl(long double complex);
+
+/* Various "power triangle" functions */
+/*
+  Have you ever seen 3blue1brown's video on the power triange? It's
+  an interesting way of thinking about how logarithms, exponentials,
+  and roots all relate to each other. Anyhoo, these all relate to that.
+    -Kat
+
+  (BTW, here's the link: https://www.youtube.com/watch?v=sULa9Lc4pck)
+*/
+double complex cexp(double complex);
+float complex  cexpf(float complex);
+long double complex cexpl(long double complex);
+
+double complex clog(double complex); /* Heh. "clog". -Kat */
+float complex  clogf(float complex);
+long double complex clogl(long double complex);
+
+double complex csqrt(double complex);
+float complex  csqrtf(float complex);
+long double complex csqrtl(long double complex);
 
 #endif
\ No newline at end of file