Delete LIBC_CALLS_HEFTY

- fork() no longer requires malloc()
- readdir() moved to LIBC_STDIO
- Custom APIs moved to LIBC_X

tool/build/build.mk

@@ -28,7 +28,6 @@ TOOL_BUILD_DIRECTDEPS =					\
 	LIBC_ALG					\
 	LIBC_BITS					\
 	LIBC_CALLS					\
-	LIBC_CALLS_HEFTY				\
 	LIBC_DNS					\
 	LIBC_ELF					\
 	LIBC_FMT					\

tool/build/lib/buildlib.mk

@@ -27,7 +27,6 @@ TOOL_BUILD_LIB_A_DIRECTDEPS =				\
 	LIBC_ALG					\
 	LIBC_BITS					\
 	LIBC_CALLS					\
-	LIBC_CALLS_HEFTY				\
 	LIBC_ELF					\
 	LIBC_FMT					\
 	LIBC_INTRIN					\

tool/net/net.mk

@@ -22,7 +22,6 @@ TOOL_NET_DIRECTDEPS =						\
 	LIBC_ALG						\
 	LIBC_BITS						\
 	LIBC_CALLS						\
-	LIBC_CALLS_HEFTY					\
 	LIBC_DNS						\
 	LIBC_FMT						\
 	LIBC_INTRIN						\

tool/viz/printvideo.c

@@ -1473,8 +1473,8 @@ int main(int argc, char *argv[]) {
   if (!tuned_) PickDefaults();
   if (optind == argc) PrintUsage(EX_USAGE, stderr);
   patharg_ = argv[optind];
-  sox_ = commandvenv("SOX", "sox");
-  ffplay_ = commandvenv("FFPLAY", "ffplay");
+  sox_ = strdup(commandvenv("SOX", "sox"));
+  ffplay_ = strdup(commandvenv("FFPLAY", "ffplay"));
   infd_ = STDIN_FILENO;
   outfd_ = STDOUT_FILENO;
   if (!setjmp(jb_)) {

tool/viz/viz.mk

@@ -22,7 +22,6 @@ TOOL_VIZ_DIRECTDEPS =				\
 	DSP_TTY					\
 	LIBC_BITS				\
 	LIBC_CALLS				\
-	LIBC_CALLS_HEFTY			\
 	LIBC_DNS				\
 	LIBC_FMT				\
 	LIBC_INTRIN				\