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-rw-r--r--include/inttypes.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/inttypes.h b/include/inttypes.h
index 3f24e9b..4530fef 100644
--- a/include/inttypes.h
+++ b/include/inttypes.h
@@ -40,6 +40,20 @@
imaxdiv_t imaxdiv(intmax_t, intmax_t)
__GCC_ONLY(__attribute__((const)));
+/**
+ * Return the absolute value of an integer.
+ *
+ * Be aware, if the value is `INTMAX_MIN` and
+ * `-INTMAX_MAX != -INTMAX_MIN`, the result will
+ * overflow, and `INTMAX_MIN` will (probably)
+ * be returned.
+ *
+ * @param value The integer.
+ * @return The absolute value of the integer.
+ */
+intmax_t imaxabs(intmax_t)
+ __GCC_ONLY(__attribute__((const)));
+
#endif