anchor.diff:  "qsort", "stdlib.h", "", "void", "void *", "size_t", "size_t", "int(*)(const void *", "FAR const void *)"
   "rand", "stdlib.h", "", "int"
   "readdir_r", "dirent.h", "CONFIG_NFILE_DESCRIPTORS > 0", "int", "FAR DIR *", "FAR struct dirent *", "FAR struct dirent **"
  +"readv", "sys/uio.h", "", "ssize_t", "int", "FAR const struct iovec *", "int"
   "sched_get_priority_max", "sched.h", "", "int", "int"
   "sched_get_priority_min", "sched.h", "", "int", "int"
   "sem_getvalue", "semaphore.h", "", "int", "FAR sem_t *", "FAR int *"
   "sem_init", "semaphore.h", "", "int", "FAR sem_t *", "int", "unsigned int"
  -"sendfile", "sys/sendfile.h", "CONFIG_NSOCKET_DESCRIPTORS > 0 || CONFIG_NFILE_DESCRIPTORS > 0", "ssize_t", "int", "int", "off_t", "size_t"
  -"setlocale","local.h","","FAR char *s","int","FAR const char *s"
  +"sendfile", "sys/sendfile.h", "CONFIG_NSOCKET_DESCRIPTORS > 0 || CONFIG_NFILE_DESCRIPTORS > 0", "ssize_t", "int", "int", "off_t *", "size_t"
  +"setlocale","local.h","","FAR char *","int","FAR const char *"
   "setlogmask", "syslog.h", "", "int", "int"
   "sigaddset", "signal.h", "!defined(CONFIG_DISABLE_SIGNALS)", "int", "FAR sigset_t *", "int"
   "sigdelset", "signal.h", "!defined(CONFIG_DISABLE_SIGNALS)", "int", "FAR sigset_t *", "int"
  
positive.code: "abs", "stdlib.h", "", "int", "int"
  "aio_error", "aio.h", "defined(CONFIG_FS_AIO)", "int", "FAR struct aiocb *"
  "aio_return", "aio.h", "defined(CONFIG_FS_AIO)", "ssize_t", "FAR struct aiocb *"
  "aio_suspend", "aio.h", "defined(CONFIG_FS_AIO)", "int", "FAR struct aiocb *const []|FAR struct aiocb *const *", "int", "FAR const struct timespec *"
  "asprintf", "stdio.h", "", "int", "FAR char **", "FAR const char *", "..."
  "vasprintf", "stdio.h", "", "int", "FAR char **", "FAR const char *", "va_list"
  "b16atan2", "fixedmath.h", "", "b16_t", "b16_t", "b16_t"
  "b16cos", "fixedmath.h", "", "b16_t", "b16_t"
  "b16divb16", "fixedmath.h", "", "b16_t", "b16_t", "b16_t"
  "b16mulb16", "fixedmath.h", "", "b16_t", "b16_t", "b16_t"
  "b16sin", "fixedmath.h", "", "b16_t", "b16_t"
  "b16sqr", "fixedmath.h", "", "b16_t", "b16_t"
  "basename", "libgen.h", "", "FAR char", "FAR char *"
  "cfgetspeed", "termios.h", "CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_SERIAL_TERMIOS)", "speed_t", "FAR const struct termios *"
  "cfsetspeed", "termios.h", "CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_SERIAL_TERMIOS)", "int", "FAR struct termios *", "speed_t"
  "chdir", "unistd.h", "CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON)", "int", "FAR const char *"
  "clock", "time.h", "", "clock_t", "void"
  "crc32", "crc32.h", "", "uint32_t", "FAR const uint8_t *", "size_t"
  "crc32part", "crc32.h", "", "uint32_t", "FAR const uint8_t *", "size_t", "uint32_t"
  "dbg", "debug.h", "!defined(CONFIG_CPP_HAVE_VARARGS) && defined(CONFIG_DEBUG)", "int", "FAR const char *", "..."
  "dirname", "libgen.h", "", "FAR char", "FAR char *"
  "dq_addafter", "queue.h", "", "void", "FAR dq_entry_t *", "FAR dq_entry_t *", "FAR dq_queue_t *"
  "dq_addbefore", "queue.h", "", "void", "FAR dq_entry_t *", "FAR dq_entry_t *", "FAR dq_queue_t *"
  "dq_addfirst", "queue.h", "", "void", "FAR dq_entry_t *", "dq_queue_t *"
  "dq_addlast", "queue.h", "", "void", "FAR dq_entry_t *", "dq_queue_t *"
  "dq_rem", "queue.h", "", "void", "FAR dq_entry_t *", "dq_queue_t *"
  "dq_remfirst", "queue.h", "", "FAR dq_entry_t", "dq_queue_t *"
  "dq_remlast", "queue.h", "", "FAR dq_entry_t", "dq_queue_t *"
  "ether_ntoa", "netinet/ether.h", "", "FAR char", "FAR const struct ether_addr *"
  "fclose", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "FAR FILE *"
  "fdopen", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "FAR FILE", "int", "FAR const char *"
  "fflush", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "FAR FILE *"
  "fgetc", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "FAR FILE *"
  "fgetpos", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "FAR FILE *", "FAR fpos_t *"
  "fgets", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "FAR char", "FAR char *", "int", "FAR FILE *"
  "fileno", "stdio.h", "", "int", "FAR FILE *"
  "fopen", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "FAR FILE", "FAR const char *", "FAR const char *"
  "fprintf", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "FAR FILE *", "FAR const char *", "..."
  "fputc", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "int c", "FAR FILE *"
  "fputs", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "FAR const char *", "FAR FILE *"
  "fread", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "size_t", "FAR void *", "size_t", "size_t", "FAR FILE *"
  "fseek", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "FAR FILE *", "long int", "int"
  "fsetpos", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "int", "FAR FILE *", "FAR fpos_t *"
  "ftell", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "long", "FAR FILE *"
  "fwrite", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "size_t", "FAR const void *", "size_t", "size_t", "FAR FILE *"
  "getcwd", "unistd.h", "CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON)", "FAR char", "FAR char *", "size_t"
  "getopt", "unistd.h", "", "int", "int", "FAR char *const[]", "FAR const char *"
  "getoptargp", "unistd.h", "", "FAR char *"
  "getoptindp", "unistd.h", "", "int"
  "getoptoptp", "unistd.h", "", "int"
  "gets", "stdio.h", "CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0", "FAR char", "FAR char *"
  "gmtime", "time.h", "", "struct tm", "FAR const time_t *"
  "gmtime_r", "time.h", "", "FAR struct tm", "FAR const time_t *", "FAR struct tm *"
  "htonl", "arpa/inet.h", "", "uint32_t", "uint32_t"
  "htons", "arpa/inet.h", "", "uint16_t", "uint16_t"
  "imaxabs", "inttypes.h", "", "intmax_t", "intmax_t"
  "imaxdiv", "inttypes.h", "", "intmax_t", "intmax_t", "imaxdiv_t"
  "inet_addr", "arpa/inet.h", "", "in_addr_t", "FAR const char "
  "inet_aton", "arpa/inet.h", "", "int", "FAR const char *", "FAR struct in_addr *"
  "inet_ntoa", "arpa/inet.h", "defined(CONFIG_NET_IPv4) && defined(CONFIG_CAN_PASS_STRUCTS)", "FAR char", "struct in_addr"
  "inet_ntop", "arpa/inet.h", "", "FAR const char", "int", "FAR const void *", "FAR char *", "socklen_t"
  "inet_pton", "arpa/inet.h", "", "int", "int", "FAR const char *", "FAR void *"
  "iswalnum","wctype.h","defined(CONFIG_LIBC_WCHAR)","int","wint_t"
  
negative.code: "printf", "stdio.h", "", "int", "FAR const char *", "..."
  "pthread_attr_destroy", "pthread.h", "!defined(CONFIG_DISABLE_PTHREAD)", "int", "FAR pthread_attr_t *"
  "pthread_attr_getinheritsched", "pthread.h", "!defined(CONFIG_DISABLE_PTHREAD)", "int", "FAR const pthread_attr_t *", "FAR int *"
  "pthread_attr_getschedparam", "pthread.h", "!defined(CONFIG_DISABLE_PTHREAD)", "int", "FAR const pthread_attr_t *", "FAR struct sched_param *"
  "pthread_attr_getschedpolicy", "pthread.h", "!defined(CONFIG_DISABLE_PTHREAD)", "int", "FAR const pthread_attr_t *", "int *"
  "pthread_attr_getstacksize", "pthread.h", "!defined(CONFIG_DISABLE_PTHREAD)", "int", "FAR const pthread_attr_t *", "FAR long *"
  "pthread_attr_init", "pthread.h", "!defined(CONFIG_DISABLE_PTHREAD)", "int", "FAR pthread_attr_t *"
  "pthread_attr_setinheritsched", "pthread.h", "!defined(CONFIG_DISABLE_PTHREAD)", "int", "FAR pthread_attr_t *", "int"
  "pthread_attr_setschedparam", "pthread.h", "!defined(CONFIG_DISABLE_PTHREAD)", "int", "FAR pthread_attr_t *", "FAR const struct sched_param *"
  