Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

libc/fmt/strtol.internal.h

@@ -2,6 +2,7 @@
 #define COSMOPOLITAN_LIBC_FMT_STRTOL_H_
 
 #define CONSUME_SPACES(s, c) \
+  if (endptr) *endptr = s;   \
   while (c == ' ' || c == '\t') c = *++s
 
 #define GET_SIGN(s, c, d) \
@@ -11,6 +12,7 @@
 #define GET_RADIX(s, c, r)                     \
   if (!(2 <= r && r <= 36)) {                  \
     if (c == '0') {                            \
+      t |= 1;                                  \
       c = *++s;                                \
       if (c == 'x' || c == 'X') {              \
         c = *++s;                              \
@@ -25,6 +27,7 @@
       r = 10;                                  \
     }                                          \
   } else if (c == '0') {                       \
+    t |= 1;                                    \
     c = *++s;                                  \
     if ((r == 2 && (c == 'b' || c == 'B')) ||  \
         (r == 16 && (c == 'x' || c == 'X'))) { \