diff --git a/libc/bionic/fortify.cpp b/libc/bionic/fortify.cpp
index 3b804b0..88ae477 100644
--- a/libc/bionic/fortify.cpp
+++ b/libc/bionic/fortify.cpp
@@ -94,9 +94,6 @@
 }
 
 char* __fgets_chk(char* dst, int supplied_size, FILE* stream, size_t dst_len_from_compiler) {
-  if (supplied_size < 0) {
-    __fortify_fatal("fgets: buffer size %d < 0", supplied_size);
-  }
   __check_buffer_access("fgets", "write into", supplied_size, dst_len_from_compiler);
   return fgets(dst, supplied_size, stream);
 }
diff --git a/libc/bionic/gethostname.cpp b/libc/bionic/gethostname.cpp
index 962fea1..b780a2f 100644
--- a/libc/bionic/gethostname.cpp
+++ b/libc/bionic/gethostname.cpp
@@ -32,10 +32,8 @@
 #include <unistd.h>
 
 int gethostname(char* buf, size_t n) {
-  struct utsname name;
-  if (uname(&name) == -1) {
-    return -1;
-  }
+  utsname name = {};
+  uname(&name);
 
   size_t name_length = static_cast<size_t>(strlen(name.nodename) + 1);
   if (name_length > n) {
diff --git a/libc/bionic/strtol.cpp b/libc/bionic/strtol.cpp
index 63ac102..77f1d92 100644
--- a/libc/bionic/strtol.cpp
+++ b/libc/bionic/strtol.cpp
@@ -184,9 +184,7 @@
 }
 
 // Public API since L, but not in any header.
-extern "C" long long strtoq(const char* s, char** end, int base) {
-  return strtoll(s, end, base);
-}
+__strong_alias(strtoq, strtoll);
 
 unsigned long strtoul(const char* s, char** end, int base) {
   return StrToU<unsigned long, ULONG_MAX>(s, end, base);
@@ -201,6 +199,4 @@
 }
 
 // Public API since L, but not in any header.
-extern "C" unsigned long long strtouq(const char* s, char** end, int base) {
-  return strtoull(s, end, base);
-}
+__strong_alias(strtouq, strtoull);
diff --git a/libc/stdio/stdio.cpp b/libc/stdio/stdio.cpp
index afc2c48..b8aced8 100644
--- a/libc/stdio/stdio.cpp
+++ b/libc/stdio/stdio.cpp
@@ -773,10 +773,7 @@
 // Returns first argument, or nullptr if no characters were read.
 // Does not return nullptr if n == 1.
 char* fgets_unlocked(char* buf, int n, FILE* fp) {
-  if (n <= 0) {
-    errno = EINVAL;
-    return nullptr;
-  }
+  if (n <= 0) __fortify_fatal("fgets: buffer size %d <= 0", n);
 
   _SET_ORIENTATION(fp, -1);