Fix spelling in comments

Should be non-functional, except for some error message strings.

modules/database/src/ioc/dbStatic/dbStaticLib.c

@@ -677,7 +677,7 @@ long dbAddPath(DBBASE *pdbbase,const char *path)
     if (!path) return(0); /* Empty path strings are ignored */
     /* care is taken to properly deal with white space
      * 1) preceding and trailing white space is removed from paths
-     * 2) white space inbetween path separator counts as an empty name
+     * 2) white space in between path separator counts as an empty name
      *      (see below)
      */
     expectingPath = FALSE;
@@ -710,8 +710,8 @@ long dbAddPath(DBBASE *pdbbase,const char *path)
 
         /*
          * len is always nonzero because we found something that
-         * 1) isnt white space
-         * 2) isnt a path separator
+         * 1) isn't white space
+         * 2) isn't a path separator
          */
         len = (plast - path) + 1;
         if (dbAddOnePath (pdbbase, path, (unsigned) len)) return (-1);
@@ -722,7 +722,7 @@ long dbAddPath(DBBASE *pdbbase,const char *path)
     }
 
     /*
-     * an empty name at beginning, middle, or end of a path string that isnt
+     * an empty name at beginning, middle, or end of a path string that isn't
      * empty means current directory
      */
     if (expectingPath||sawMissingPath) {
@@ -2274,7 +2274,7 @@ long dbParseLink(const char *str, short ftype, dbLinkInfo *pinfo)
             len -= (parm - pstr);
         }
 
-        /* generalized extraction of ID charactor and integer pairs (eg. "#C15 S14") */
+        /* generalized extraction of ID character and integer pairs (eg. "#C15 S14") */
         ret = sscanf(pinfo->target, "# %c%d %c%d %c%d %c%d %c%d %c",
                      &pinfo->hwid[0], &pinfo->hwnums[0],
                      &pinfo->hwid[1], &pinfo->hwnums[1],
@@ -2333,11 +2333,11 @@ long dbParseLink(const char *str, short ftype, dbLinkInfo *pinfo)
     }
 
     pinfo->ltype = PV_LINK;
-    pstr = strchr(pstr, ' '); /* find start of link modifiers (can't be seperated by tabs) */
+    pstr = strchr(pstr, ' '); /* find start of link modifiers (can't be separated by tabs) */
     if (pstr) {
         *pstr++ = '\0'; /* isolate modifiers. pinfo->target is PV name only for re-use in struct pv_link */
 
-        /* Space seperation of modifiers isn't required, and other chars are ignored.
+        /* Space separation of modifiers isn't required, and other chars are ignored.
          * Order of comparisons resolves ambiguity by checking for
          * longer matches first.
          * eg. "QQCPPXMSITT" is pvlOptCPP|pvlOptMSI

modules/database/src/ioc/dbStatic/devSup.h

@@ -77,7 +77,7 @@ typedef struct typed_dset {
     long (*init_record)(struct dbCommon *prec);
     /** Called when SCAN="I/O Intr" on startup, or after SCAN is changed.
      *
-     * Caller must assign the third arguement (IOCSCANPVT*).  eg.
+     * Caller must assign the third argument (IOCSCANPVT*).  eg.
      @code
      struct mpvt {
         IOSCANPVT drvlist;
@@ -173,7 +173,7 @@ DBCORE_API void dbInitDevSup(struct devSup *pdevSup, dset *pdset);
 #define S_dev_badOutType    (M_devSup| 9) /*Bad OUT link type*/
 #define S_dev_badInitRet    (M_devSup|11) /*Bad init_rec return value */
 #define S_dev_badBus        (M_devSup|13) /*Illegal bus type*/
-#define S_dev_badCard       (M_devSup|15) /*Illegal or nonexistant module*/
+#define S_dev_badCard       (M_devSup|15) /*Illegal or nonexistent module*/
 #define S_dev_badSignal     (M_devSup|17) /*Illegal signal*/
 #define S_dev_NoInit        (M_devSup|19) /*No init*/
 #define S_dev_Conflict      (M_devSup|21) /*Multiple records accessing same signal*/

modules/database/src/ioc/dbStatic/link.h

@@ -180,7 +180,7 @@ union value {
     struct vmeio        vmeio;          /* vme io point */
     struct camacio      camacio;        /* camac io point */
     struct rfio         rfio;           /* CEBAF RF buffer interface */
-    struct abio         abio;           /* allen-bradley io point */
+    struct abio         abio;           /* Allen-Bradley io point */
     struct gpibio       gpibio;
     struct bitbusio     bitbusio;
     struct instio       instio;         /* instrument io link */

modules/database/src/ioc/dbStatic/special.h

@@ -21,14 +21,14 @@
 extern "C" {
 #endif
 
-/*NOTE  Do NOT add aditional definitions with out modifying dbLexRoutines.c */
+/*NOTE  Do NOT add additional definitions with out modifying dbLexRoutines.c */
 /* types 1-99 are global. Record specific must start with 100 */
 #define SPC_NOMOD       1       /*Field must not be modified*/
 #define SPC_DBADDR      2       /*db_name_to_addr must call cvt_dbaddr*/
 #define SPC_SCAN        3       /*A scan related field is being changed*/
 #define SPC_ALARMACK    5       /*Special Alarm Acknowledgement*/
 #define SPC_AS          6       /* Access Security*/
-#define SPC_ATTRIBUTE   7       /* psuedo field, i.e. attribute field*/
+#define SPC_ATTRIBUTE   7       /* pseudo field, i.e. attribute field*/
 /* useful when record support must be notified of a field changing value*/
 #define SPC_MOD         100
 /* used by all records that support a reset field*/