.. Copyright 1988-2022 Free Software Foundation, Inc. This is part of the GCC manual. For copying conditions, see the copyright.rst file. .. index:: intrinsic procedures .. _intrinsic-procedures: Intrinsic Procedures -------------------- .. toctree:: :maxdepth: 2 intrinsic-procedures/introduction-to-intrinsic-procedures intrinsic-procedures/abort intrinsic-procedures/abs intrinsic-procedures/access intrinsic-procedures/achar intrinsic-procedures/acos intrinsic-procedures/acosd intrinsic-procedures/acosh intrinsic-procedures/adjustl intrinsic-procedures/adjustr intrinsic-procedures/aimag intrinsic-procedures/aint intrinsic-procedures/alarm intrinsic-procedures/all intrinsic-procedures/allocated intrinsic-procedures/and intrinsic-procedures/anint intrinsic-procedures/any intrinsic-procedures/asin intrinsic-procedures/asind intrinsic-procedures/asinh intrinsic-procedures/associated intrinsic-procedures/atan intrinsic-procedures/atand intrinsic-procedures/atan2 intrinsic-procedures/atan2d intrinsic-procedures/atanh intrinsic-procedures/atomicadd intrinsic-procedures/atomicand intrinsic-procedures/atomiccas intrinsic-procedures/atomicdefine intrinsic-procedures/atomicfetchadd intrinsic-procedures/atomicfetchand intrinsic-procedures/atomicfetchor intrinsic-procedures/atomicfetchxor intrinsic-procedures/atomicor intrinsic-procedures/atomicref intrinsic-procedures/atomicxor intrinsic-procedures/backtrace intrinsic-procedures/besselj0 intrinsic-procedures/besselj1 intrinsic-procedures/besseljn intrinsic-procedures/bessely0 intrinsic-procedures/bessely1 intrinsic-procedures/besselyn intrinsic-procedures/bge intrinsic-procedures/bgt intrinsic-procedures/bitsize intrinsic-procedures/ble intrinsic-procedures/blt intrinsic-procedures/btest intrinsic-procedures/cassociated intrinsic-procedures/cfpointer intrinsic-procedures/cfprocpointer intrinsic-procedures/cfunloc intrinsic-procedures/cloc intrinsic-procedures/csizeof intrinsic-procedures/ceiling intrinsic-procedures/char intrinsic-procedures/chdir intrinsic-procedures/chmod intrinsic-procedures/cmplx intrinsic-procedures/cobroadcast intrinsic-procedures/comax intrinsic-procedures/comin intrinsic-procedures/coreduce intrinsic-procedures/cosum intrinsic-procedures/commandargumentcount intrinsic-procedures/compileroptions intrinsic-procedures/compilerversion intrinsic-procedures/complex intrinsic-procedures/conjg intrinsic-procedures/cos intrinsic-procedures/cosd intrinsic-procedures/cosh intrinsic-procedures/cotan intrinsic-procedures/cotand intrinsic-procedures/count intrinsic-procedures/cputime intrinsic-procedures/cshift intrinsic-procedures/ctime intrinsic-procedures/dateandtime intrinsic-procedures/dble intrinsic-procedures/dcmplx intrinsic-procedures/digits intrinsic-procedures/dim intrinsic-procedures/dotproduct intrinsic-procedures/dprod intrinsic-procedures/dreal intrinsic-procedures/dshiftl intrinsic-procedures/dshiftr intrinsic-procedures/dtime intrinsic-procedures/eoshift intrinsic-procedures/epsilon intrinsic-procedures/erf intrinsic-procedures/erfc intrinsic-procedures/erfcscaled intrinsic-procedures/etime intrinsic-procedures/eventquery intrinsic-procedures/executecommandline intrinsic-procedures/exit intrinsic-procedures/exp intrinsic-procedures/exponent intrinsic-procedures/extendstypeof intrinsic-procedures/fdate intrinsic-procedures/fget intrinsic-procedures/fgetc intrinsic-procedures/findloc intrinsic-procedures/floor intrinsic-procedures/flush intrinsic-procedures/fnum intrinsic-procedures/fput intrinsic-procedures/fputc intrinsic-procedures/fraction intrinsic-procedures/free intrinsic-procedures/fseek intrinsic-procedures/fstat intrinsic-procedures/ftell intrinsic-procedures/gamma intrinsic-procedures/gerror intrinsic-procedures/getarg intrinsic-procedures/getcommand intrinsic-procedures/getcommandargument intrinsic-procedures/getcwd intrinsic-procedures/getenv intrinsic-procedures/getenvironmentvariable intrinsic-procedures/getgid intrinsic-procedures/getlog intrinsic-procedures/getpid intrinsic-procedures/getuid intrinsic-procedures/gmtime intrinsic-procedures/hostnm intrinsic-procedures/huge intrinsic-procedures/hypot intrinsic-procedures/iachar intrinsic-procedures/iall intrinsic-procedures/iand intrinsic-procedures/iany intrinsic-procedures/iargc intrinsic-procedures/ibclr intrinsic-procedures/ibits intrinsic-procedures/ibset intrinsic-procedures/ichar intrinsic-procedures/idate intrinsic-procedures/ieor intrinsic-procedures/ierrno intrinsic-procedures/imageindex intrinsic-procedures/index intrinsic-procedures/int intrinsic-procedures/int2 intrinsic-procedures/int8 intrinsic-procedures/ior intrinsic-procedures/iparity intrinsic-procedures/irand intrinsic-procedures/iscontiguous intrinsic-procedures/isiostatend intrinsic-procedures/isiostateor intrinsic-procedures/isatty intrinsic-procedures/ishft intrinsic-procedures/ishftc intrinsic-procedures/isnan intrinsic-procedures/itime intrinsic-procedures/kill intrinsic-procedures/kind intrinsic-procedures/lbound intrinsic-procedures/lcobound intrinsic-procedures/leadz intrinsic-procedures/len intrinsic-procedures/lentrim intrinsic-procedures/lge intrinsic-procedures/lgt intrinsic-procedures/link intrinsic-procedures/lle intrinsic-procedures/llt intrinsic-procedures/lnblnk intrinsic-procedures/loc intrinsic-procedures/log intrinsic-procedures/log10 intrinsic-procedures/loggamma intrinsic-procedures/logical intrinsic-procedures/lshift intrinsic-procedures/lstat intrinsic-procedures/ltime intrinsic-procedures/malloc intrinsic-procedures/maskl intrinsic-procedures/maskr intrinsic-procedures/matmul intrinsic-procedures/max intrinsic-procedures/maxexponent intrinsic-procedures/maxloc intrinsic-procedures/maxval intrinsic-procedures/mclock intrinsic-procedures/mclock8 intrinsic-procedures/merge intrinsic-procedures/mergebits intrinsic-procedures/min intrinsic-procedures/minexponent intrinsic-procedures/minloc intrinsic-procedures/minval intrinsic-procedures/mod intrinsic-procedures/modulo intrinsic-procedures/movealloc intrinsic-procedures/mvbits intrinsic-procedures/nearest intrinsic-procedures/newline intrinsic-procedures/nint intrinsic-procedures/norm2 intrinsic-procedures/not intrinsic-procedures/null intrinsic-procedures/numimages intrinsic-procedures/or intrinsic-procedures/pack intrinsic-procedures/parity intrinsic-procedures/perror intrinsic-procedures/popcnt intrinsic-procedures/poppar intrinsic-procedures/precision intrinsic-procedures/present intrinsic-procedures/product intrinsic-procedures/radix intrinsic-procedures/ran intrinsic-procedures/rand intrinsic-procedures/randominit intrinsic-procedures/randomnumber intrinsic-procedures/randomseed intrinsic-procedures/range intrinsic-procedures/rank intrinsic-procedures/real intrinsic-procedures/rename intrinsic-procedures/repeat intrinsic-procedures/reshape intrinsic-procedures/rrspacing intrinsic-procedures/rshift intrinsic-procedures/sametypeas intrinsic-procedures/scale intrinsic-procedures/scan intrinsic-procedures/secnds intrinsic-procedures/second intrinsic-procedures/selectedcharkind intrinsic-procedures/selectedintkind intrinsic-procedures/selectedrealkind intrinsic-procedures/setexponent intrinsic-procedures/shape intrinsic-procedures/shifta intrinsic-procedures/shiftl intrinsic-procedures/shiftr intrinsic-procedures/sign intrinsic-procedures/signal intrinsic-procedures/sin intrinsic-procedures/sind intrinsic-procedures/sinh intrinsic-procedures/size intrinsic-procedures/sizeof intrinsic-procedures/sleep intrinsic-procedures/spacing intrinsic-procedures/spread intrinsic-procedures/sqrt intrinsic-procedures/srand intrinsic-procedures/stat intrinsic-procedures/storagesize intrinsic-procedures/sum intrinsic-procedures/symlnk intrinsic-procedures/system intrinsic-procedures/systemclock intrinsic-procedures/tan intrinsic-procedures/tand intrinsic-procedures/tanh intrinsic-procedures/thisimage intrinsic-procedures/time intrinsic-procedures/time8 intrinsic-procedures/tiny intrinsic-procedures/trailz intrinsic-procedures/transfer intrinsic-procedures/transpose intrinsic-procedures/trim intrinsic-procedures/ttynam intrinsic-procedures/ubound intrinsic-procedures/ucobound intrinsic-procedures/umask intrinsic-procedures/unlink intrinsic-procedures/unpack intrinsic-procedures/verify intrinsic-procedures/xor