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helpmeport: add more stuff

--- a/helpmeport

+++ b/helpmeport

@@ -20,6 +20,7 @@

 #include <u.h>

 #include <libc.h>

+#include </sys/include/ctype.h>

 #include </sys/include/stdio.h>

 typedef enum { false, true } bool;

@@ -41,17 +42,23 @@

 #define INT16_MAX 0x7fff

 #define INT16_MIN ((int16_t)0x8000)

 #define INT64_MIN ((int64_t)0x8000000000000000ULL)

-#define INT_MAX 0x7fffffff

-#define INT_MIN (-INT_MAX-1)

+#define INT32_MAX 0x7fffffff

+#define INT_MAX INT32_MAX

+#define INT32_MIN (-INT32_MAX-1)

+#define INT_MIN INT32_MIN

 #define SHRT_MAX 0x7fff

 #define SHRT_MIN (-SHRT_MAX-1)

 #define SIZE_MAX 0xffffffffU

-#define UINT_MAX 0xffffffffU

+#define UINT32_MAX 0xffffffffU

+#define UINT_MAX UINT32_MAX

+#define UINT64_MAX 0xffffffffffffffffULL

 #define PRId64 "lld"

 #define PRIu64 "llud"

 #define PRIx64 "llx"

+#define PATH_MAX 256

+

 #define __attribute__(a)

 #define exit(x) exits(x == 0 ? nil : "error")

@@ -59,6 +66,10 @@

 #define unsetenv(k) putenv(k,"")

 #define strcasecmp cistrcmp

 #define strncasecmp cistrncmp

+#define getcwd getwd

+#define sinf sin

+#define cosf cos

+#define usleep(x) sleep(x/1000)

 #endif

 EOF'